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Cp4.2 failure rate

Imaging systems for localizing low light photoemission & thermal signal failures. Visit our website www.hamamatsu.com and contact us for more information By now, you've heard of all the problems surrounding the Bosch CP4.2—the high-pressure fuel pump that's made its way onto most common-rail engines in the pickup truck segment. READ MORE Purchase options below. Find the complete article and many more in this issue of Diesel World - June 2019. If you own the issue, Login. Fullsize Truck & SUV - 2014-2019 K2XX Platform. 2015-2019 Silverado HD & Sierra HD. CP4 Failure rate? Sign up for FREE! Become a GM-Trucks.com Member Today! In 20 seconds you can become part of the worlds largest and oldest community discussing General Motors, Chevrolet and GMC branded pickups, crossovers, and SUVs

They fail at a rate higher than should be considered normal by reasonable enthusiasts. That does not mean it WILL fail, just that it has a higher likelihood to do so than say, a CP3 or Denso HP4 or even a CP4.2 on a Powerstroke. The mid year pump revision eludes to a problem internally I'm confident the failure rate for the CP4.2 with the significantly improved filtration and redesigns will be nowhere as high as the old TDI. The Cummins version should be at least as reliable as the 2015 TDI, the failure rate on that one is extremely low and doesn't have as advanced of a filtration system as the Cummins Sackamous was spot on with the reasoning behind the category breakdowns. I'm mainly interested in the CP4 failure rate for those trucks between 25-100k miles for two reasons: 1. The majority of the LML population should fit within this category (to include my own truck) 13,171 Posts. #8 · Jan 27, 2019. 45 truckie said: The 2019 HD rams with the cummins are getting the cp4.2 high pressure injection pumps. Ram has been using the cp3 pump and to the best of my knowledge they have been working great. I've rarely if ever, heard of any failures with the cp3 2. CP4 Failure. This one is specific to the LML code Duramax produced between '11-'16, which used the Bosch CP4.2 high-pressure fuel pump (vs. the predecessor CP3 found on LB7, LLY, LBZ and LMM engines). Unlike the ultra-durable CP3 that came before it, the CP4.2 doesn't possess the same track-record for reliability

Other than that I wouldn't worry to much. If it would ever fail while you owned it I would do this. LML DURAMAX CP4 TO CP3 CONVERSION KIT WITH PUMP (TUNING REQ'D) $1,522.00. Wowens79 said: Reading forums, has me a little scared of the CP4, as I'm seeing reports of a 5% failure rate, and it being a $10k repair Ultimately, the only true fix for this is problem is to purchase a retrofit kit and backdate your pump to the trusty CP3! However, this will require the addition of some custom tuning but it will ensure you can trust your truck on those long road trips or on those cold morning startups. The CP3 is a much simpler pump that has been used in GM. Owners of vehicles that include the CP4 pump have turned to costly add-ons to prevent CP4 failure. The problem with the CP4 pump is so well known that several companies sell expensive kits that cost up to $3,600 (before labor costs) to try to prevent the problem. Popular fixes involve boosting the fuel pressure with an additional pump, or.

CP4 High Pressure Fuel Pump Failure CLICK HERE to purchase our LML CP4 High Pressure Fuel Pump Failure Kit The 2011-2016 Duramax suffers from a high pressure fuel pump issue unique to this year range. Failure of this CP4 pump is usually catastrophic, causing instant contamination of the entire fuel system with metal particulates. Chances [ The Diesel Heart Transplant article in the May 2019 Trailer Life discusses failures of the CP4.2 fuel pump. What is not clear is what is the failure rate. Is this a one in a million or a one in a thousand — i.e., what is the likelihood that this is going to happen to my 2016 Duramax on my way across the country Why CP4s Fail. At the heart of all the controversy is the reliability of the Bosch CP4 (technically CP4.1 and CP4.2, depending on the number of pumping cylinders) high-pressure fuel-injection pump that is literally the heart of these vehicles' diesel engines: 2011-2016 2500HD Silverado 6.6L V8 Duramax diesel trucks with LML engine

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  1. Common Problems: The CP4 Time Bomb. December 2017 Tech Corner, Feature Trevor Mason. It's always frustrating to finally get your hands on a brand-new truck (or at least, new to you) and find out there's something wrong with it. It's even more frustrating to learn that not only are you not alone in your suffering, but that it's a common.
  2. s. I sure hope that they take care of those of us that have the CP4.2 in our 2019 and 2020 RAMS so we don't continue to have issues with the fuel pump grenading and taking out the entire.
  3. Got 7023 miles on it with a Cp4 failure. Guess I should have done better homework. May 19, 2020 #2 RedneckHippy Senior Member. Joined Jan 26, 2020 Posts 282 Reaction score 193 Location Washington. Harold Barnes said: Ok so I bought a new 2020 Ram 2500 in December 30, 2019. Got 7023 miles on it with a Cp4 failure
  4. I've been gathering as much info as I can about this, after the fact, and found that in the US, there are 7-10 failures per 100 units. In Europe, these pumps fare much better with 1 failure per 100 units. The reason given for the difference is, European Diesel has a much greater lubricity rate than Stateside fuel
  5. The S&S 6.7L Ford Power Stroke CP4.2 Bypass Kit, or commonly called the Disaster Prevention Kit, does exactly what the nickname implies, it prevents the disastrous consequences of an inevitable CP4 pump failure from destroying the rest of a very expensive high-pressure fuel system. CP4 high pressure pumps are the Achilles heel of the 6.7L.

Please support this channel via https://www.patreon.com/user?u=163958185 Reasons to avoid Transmission Flush https://www.youtube.com/watch?v=or9u8DQ4fVUAMSOI.. CP4 Fuel Pump Failure Complaints. A number of drivers have described their experiences online: 2012 Chevrolet Silverado 2500: Bosch CP4.2 fuel pump malfunctioned and contaminated the entire fuel and injection system with metal shavings.The truck engine stopped while traveling at 50 MPH on a city street and left me with no power steering Dfuser Disaster Prevention Kit (CP4 Bypass Kit), Ford (2015-19) 6.7L Power Stroke. This one-time investment of $259.99 could easily save over $9,000 in repairs and weeks of downtime. It is an absolute must for any 6.7L Powerstroke owner! • MADE IN THE USA. ktperformance.net GM ditched the CP4 and Ford started using the in-tank pump. Since Ford made the switch, the CP4 failure rate dropped significantly. So far, there has not been one CP4 pump failure reported on the Cummins Forum. But you're right about the CP4 needing good fuel filtration. Ram has a very low filter micron rating on the new Cummins and the new. Direct link to CP4.2 Fuel Reroute Disaster Prevention Kit - Powerstroke 6.7L : http://www.engineered-diesel.com/cp4-2-fuel-reroute-disaster-prevention-kit-..

The Bosch CP4 fuel pump has an unusually high failure rate in the U.S., upwards of 7%, when compared to 1% failure rate in Europe. Why is the failing CP4 is being installed in so many vehicles? When leaving the manufacturer, however, the CP4 pump is typically successful, because the pump is manufactured in Europe A means of monitoring low-pressure fuel supply is also highly advisable. In comparing the LML Duramax with the 6.7L Power Stroke—an engine that also uses the CP4.2 but is accompanied by a factory electric lift pump that supplies it a steady 55-60 psi—the CP4.2 failure rate is much lower SPE ENHANCED CP4.2 HIGH PRESSURE FUEL PUMP- SUPPORTS UP TO 650HP! Buy in monthly payments with Affirm on orders over $50. Learn more. This new and improved CP4.2 from SPE is the perfect upgrade for your 6.7L Powerstroke. This upgraded high pressure fuel pump is capable of supporting 600-650hp. This pump includes the Exergy Performance MPROP/FCA. CP4.2 Fuel Reroute Disaster Prevention Kit - Powerstroke Scorpion 6.7L - Prevent $10,000 in damage! ---- The 6.7L Powerstroke Scorpion uses a CP4 that has a HIGH failure rate &, when it fails, sends metal debris through the high pressure fuel system. Prior to failing, there are no warning signs; it just happens. And it can happen at any time To ensure that your fuel system does not become contaminated due to future CP4.2 Failure. CP4.2 Fuel Reroute Disaster Prevention Kit - Powerstroke 6.7L (SS6742RK) - C.A.R.B. Certified. INSTALLATION INSTRUCTIONS. The 6.7L Powerstroke uses a CP4 that has a high failure rate &, when it fails, sends metal debris through the high pressure fuel system

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  2. The failure rate limit will be specified and then the part maker will reimburse part and some to labor if the part has a failure rate in excess of contracted, if contracted. A $100 part with 3 year 36K warranty may go down to a $77 part with the part maker not giving warranty
  3. 2017+ Super Duty - Is the CP4 pump failure a thing of the past? - Hi - I've been reading the forum since roughly August '18 when I placed an order for F-250 w/6.7L. I don't recall seeing a whole lot of posts in this *specific* SD forum about CP4 pump failures and the resulting $10K repair bill. Has that pretty much..

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  1. s. In fact, yours is the first one I've seen posted. $40.00 a usual;ly gets a decent rental
  2. The problem with the Bosch CP4 pump, according to a recent fuel pump class action lawsuit, has to do with the sulfur content of diesel fuel made at U.S. refineries. U.S. environmental regulations limit the amount of sulfur allowed in diesel intended for the domestic market. This affects how well the moving parts of the pump are lubricated
  3. The number of these trucks sold, versus the fail rate is in line with the normal issues over a given number of units produced. Add in that the CP4.2 is a common bosch unit, and the numbers get astronomical quickly. On the internet, everything is broken..
  4. However, I will also say that from my understanding the CP4 on the DMaxs & our CP4.2 are not identical. The Dmax pumps had exponentially high failure rates right out of the gate. I'll be the first to let y'all know if my pump fails and what was discovered as to why. 0 Comment(s) Register To Reply
  5. ation throughout the entire fuel system. No amount of flushing and cleaning will restore your system to the original operating conditions. Replacing all your major fuel system components is the.

21 Posts. Discussion Starter · #1 · Mar 2, 2020. I noticed these filters are marketed for CP4 american trucks, which prevent the pump failure from damaging the rest of the fuel system. Has anyone looked into this, and would it fit on our common rail TDI engines? Exergy System Saver E05 10505 Improved Inlet Metering Valve (FCA/MPROP) LML It would make sense for Ram to switch back to the CP3---even if the failure rate for the CP3 and CP4 were the same. OR Cummins woke up out of a CP4.2 night out on the town stupor! These engine go in more than just RAM trucks. Phone at Cummins rings with RAM on the line. Before RAM can say a word, Cummins says Yeah we know we screwed the pooch. Also posted as a comparison was an FCA insider document revealing the current weekly average engine failure rate of the Cummins utilized in the 2500/3500/4500's. The number is 2. That is an average of two engines per week in a market that dwarfs the measly 104,000 EcoDiesel market

Failure Analysis Systems - High Reliabilit

It would make sense for Ram to switch back to the CP3---even if the failure rate for the CP3 and CP4 were the same. Now that Chevy and Ram have both walked away from the CP4, it certainly leaves Ford in an interesting marketing position---especially with these CP4 class-action lawsuits still in the pipe-line The new CP4.2 pump produces a much higher pressure (36,000-psi at full load) than the CP3 could, offering a more controlled and more efficient burn in the cylinders, leading to cleaner emissions. Since it's release in 2011, the CP4.2 has shown a higher failure rate than the earlier CP3 design, mostly due to its design and tighter tolerances. This new and improved CP4.2 from Exergy is the upgrade for your 11-14 Powerstroke. The factory MPROP has a course single layer screen that will allow metal debris past it in the case of a pump failure and will typically take out the entire fuel s system when it does fail. This patent-pending MPROP has a two layer 25 micron screen that will prevent metal debris larger than 25 micron from. The US standard for lubricity is 520 Scar. The Canadian fuel standard is 460 scar. The lower the number, the better lubricity factor in the fuel. Coincidentally, the 460 scar fuel rating is the minimum standard fuel that Bosch requires for the long term success of the CP4.2 series pumps that both GM and Ford use in their engines

2,709 Posts. #2 · Mar 19, 2018. This was more common on the 11-14MYs. When the 2nd gen 6.7 came out for the 15MY the CP4 issues were reduced considerably. The pump was changed/updated (still CP4) and there have been very few problems. If you still get water in your fuel, it will still take the pump out. The fuel filter design was changed for. Towing 65-70+ mph we are both around 10-12 mpg depending on if we are in hill country or not. Any time I've been in the truck with him ive yet to see sub 800 deg EGT unless we were coasting. Same with my 6.0L tuned F350. Pulling over hills I could easily hit 1300+ degrees if I weren't paying attention 6.7L Ford Power Stroke CP4.2 Bypass Kit (2011-2019) (0) Reviews: Write first review. * Keeps injectors/rails safe from CP4 pump failure debris. * The original 6.7 Power Stroke CP4.2 bypass kit. * 50state CARB-compliant (EO number D-756-1) * 100% Made in the USA. * Fits 2011-2019 Ford Super Duty with 6.7 Power Stroke. Was: $399.99 The S&S 6.7L Ford Power Stroke CP4.2 Bypass Kit, or commonly called the Disaster Prevention Kit, does exactly what the nickname implies, it prevents the disastrous consequences of an inevitable CP4 pump failure from destroying the rest of a very expensive high-pressure fuel system The S&S solution is to remove the problem before it becomes a problem, by replacing the CP4.2 with a tried and true, bulletproof CP3 high pressure fuel pump. CP4 high pressure pumps are the Achilles heel of the LML Duramax engine because of high failure rates, and commonly taking out the entire, very costly, high-pressure system with it.

The S&S solution is to remove the problem before it becomes a bigger problem by replacing the CP4.2 with a tried and true, bulletproof CP3 high-pressure fuel pump. CP4 high-pressure pumps are the obvious weakness of these LML Duramax engines. They have a high failure rate and with that, they typically take out the entire high-pressure system. A new class action lawsuit has been filed against Ford Motor Company in the U.S. District Court for the Southern District of Florida, and it's one that Ford Super Duty owners will want to take note of. The complaint, Nunez, et al., v.Ford Motor Company, alleges that 2011-present Ford Super Duty fuel pumps in trucks equipped with the 6.7-liter Power Stroke diesel engines are defective

They had tried the CP4 pump for two model years (2019, 2020) with poor success. The CP4 is known to fail at a higher than average rate, and when it fails repairs sometimes exceed $8,000 and the trucks are down for weeks or months. GM ditched the CP4 pump with the 2017 model year and went to a Denso fuel injection system CP4.2 Fuel Reroute Disaster Prevention Kit - Power stroke Scorpion 6.7L - Prevent $10,000 in damage! ---- The 6.7L Power stroke Scorpion uses a CP4 that has a HIGH failure rate &, when it fails, sends metal debris through the high pressure fuel system

Bosch CP4 fuel pumps allegedly cause problems in Chrysler, Ford and General Motors vehicles. October 2, 2018 — Bosch CP4 fuel pump failures have caused a lawsuit that alleges General Motors.

WHY THE CP4.2 FAILS Pocketmags.co

But OEM manufacturers of products, especially vehicles, don't generally disclose failure rates or discuss related warranty-repair information unless prompted by some legal action. A couple of class-action lawsuits were filed in the latter part of 2018 that are related to CP4.2 failures and owners of the affected vehicles seeking monetary. As many LML Duramax owners can attest, the CP4.2 high-pressure injection pump has a high failure rate and that has plagued 2011-2016 GMC Sierras and Chevy Silverados from the beginning. The solution? S&S Diesel Motorsport 's LML CP3 Conversion Kit that allows you to remove this new failure-prone pump for the tried and true CP3 Failure to install the correct calibrations can result in engine damage. H&S Motorsports 131001 Dual High Pressure Fuel Kit 20007 15.00. H&S Motorsports 131001 Dual High Pressure Fuel Kit $ 2799. The HandS Motorsports 131001 Dual High Pressure Fuel Kit is the ultimate in high pressure fuel supply for your 2011-2016 GM 6.6L Duramax LML.. However it is a lot more common than CP3 failure. There's still plenty of 2011-2012 Duramax diesels and 6.7 Powerstroke engines from the same years that have the disastrous CP4.2 that were the earliest versions and people have accrued 100's of thousands of miles without issue. Sent from my iPhone using Tapatalk The Gen 2 S&S 6.7L Ford Power Stroke CP4.2 Bypass Kit, or commonly called the Disaster Prevention Kit, does exactly what the nickname implies, it prevents the disastrous consequences of an inevitable CP4 pump failure from destroying the rest of a very expensive high-pressure fuel system

CP4 Failure rate? - 2015-2019 Silverado HD & Sierra HD

H&S 1210011 Dual High Pressure Pump Kit. 6.7 Powerstroke 2011-2016. Usually Ships in 24 to 48 Hours. $2,799.00. Select Options. Industrial Injection -986-437-422-IIS Stock Flow CP4 Pump. 6.7 Powerstroke 2011-2014. Usually Ships in 24 to 48 Hours. $1,183.24 The high-pressure pump CP4 delivers the fuel into the connected rail under high pressure. The CP4 consists of one or two high-pressure elements, each integrated in a housing with its own camshaft. The pump camshaft is driven by belts, chains, or cogwheels and moves the pump pistons to generate the required high pressure. over JGC Overland. Joined Jul 29, 2016. ·. 358 Posts. #2 · Jul 3, 2020 (Edited) I've done it. Replaced the entire fuel system in fact. Replacing the HPFP is a good idea IMO, and I honestly found that to be the easiest part of the job. Only special tool required is a timing wheel as pictured

This kit replaces the CP4.2 with a tried and true, bulletproof CP3 high pressure fuel pump. The CP4 has been the Achilles heel of the LML Duramax platform because of the high failure rates and costly repairs. S&S Diesel offers the only CARB-compliant 50 state legal CP3 conversion available for the LML Opening up the intake path to the compressor side of the turbo is one of the most cost effective means of lowering coolant temps on an LLY. As laborious as it is to access the injectors on the LB7 (they're under the valve covers), labor represents a major portion of the repair bill. It is the Transmission Fluid Temperature Sensor. The best way to keep the CP4.2 happy (aside from reverting. The decreased lubricating properties of ultra-low sulfur diesel fuel have contributed to accelerated wear and component failure in modern diesel fuel injection systems. Stanadyne Performance Formula ® helps protect your investment by restoring these lubricating properties which reduces wear and component failure rates significantly The Gen2 kit features a 2-micron filter in a clear firewall-mounted housing that prevents debris from reaching the tank, fuel lines, and supply pump. It can be visually inspected at a glance for debris, which will give notice to a failed pump. Previously, unfortunate victims of a CP4 failure, with the good fortune of having an original bypass.

Modernizing the common-rail fuel system, the entire arrangement is still supplied by Bosch, but now the CP4.2 high-pressure fuel pump is used as opposed to the age-old CP3. Though this twin-piston pump is capable of producing 39,000 psi, Cummins and Ram have stated that peak injection pressure will check in around 29,000 psi in this application Exergy Performance CP4.2 Inlet metering valve (MPROP). The CP4 Pump is prone to failure if the fuel system has any water or contaminated fuel introduced to it. When the pump fails, it will send metal contaminants throughout the entire fuel system which in most cases will ruin the injectors and other sensors and cost you several thousand dollars The CP4 and CP4.2 Injection pump has been known to have a high rate of internal failure. When the failure does occur, it will typically send metal debris downstream into the injectors and then recirculates it back to the fuel tank. The end-result - a truck that needs a completely new fuel system I have found with some web browsing that the failure rate of the Bosch CP4.2 pump is 0.13%. Although this is across almost every major diesel engine manufacturer in the world. Save Share. Reply. 1 - 8 of 8 Posts. Join the discussion. Continue with Facebook. Continue with Google. or sign up with email About this Discussion

The suit covers 2011 to 2016 big Duramaxes with the CP4 fuel pump, the 2.8 is not named, nor are the post 2016 full size trucks, which use an updated CP4.2 pump. The 2.8's entire fuel system is manufactured by Denso, including the HPFP, while the subject of the lawsuit (the CP4 pump) is a Bosch part The HPFP failure rate IS higher in the 2.0 tdi (higher.. I think its like 5% failure rate or something.. so.. not exactly high) which is also caused by poor fuel quality Save Your Power Stroke With an S&S CP4.2 Bypass Kit The $360 insurance policy every 6.7L Power Stroke needs. Get a CP4.2 Bypass Kit before it's too late. www. LML. Cp4 replacement before failure. So I programmed a truck this weekend for a good friends dad. We got to talking about cp4 failures and what all they entail after. I did a quick google search and really didn't find what I was looking for. Basically want to do replace the cp4 before it takes a crap and takes out the injectors since the truck.

A GM class-action lawsuit alleges Chevrolet Silverado 2500 and 3500 HD and GMC Sierra 2500 and 3500 HD diesel trucks are equipped with defective Bosch CP4 fuel pumps that aren't compatible with U. It is difficult to say exactly. Certainly, the Bosch pumps seem to have a higher rate of failure in the US vs. abroad, where there are also many many more of them in service. European EN-590 testing specifies a 460 micron wear scar, ASTM US D-975 specifies 520 micron and is commonly tested to show 560 micron The bosch cp4.2 fuel injection pump has a very high rate of sudden failure leading to immediate stoppage on the engine and engine braking system.The pump destroys itself and takes out the rest of the entire fuel system leading to repairs in the $15,000-20,000 usd range The new CP4.2 pump produces a much higher pressure (36,000psi at full load) than the CP3 could, offering a more controlled and more efficient burn in the cylinders, leading to cleaner emissions. Since it's release in 2011, the CP4.2 has shown a higher failure rate than the earlier CP3 design, mostly due to its design and tighter tolerances. While the CP4 is capable of increased rail pressure compared to the CP3,the failure rate of the CP4 and its destructive nature has most preferring the CP3. Almost immediately in 2011, you started hearing horror stories from both Duramax and Powerstroke owners regarding their failed fuel system

Cummins Is King (Again) | DrivingLine

CP4.2 Pump Poll Ram Heavy Duty Foru

CP4 high pressure pumps are the Achilles heel of the 6.7L Ford Power Stroke engine due to high failure rates, which commonly take out the entire very costly high-pressure system with it (injectors, rails, lines). When the CP4 fails, it sends debris into the rest of the system and requires a several thousand-dollar replacement of injectors. Ford 6.7 Powerstroke CP4.2 bypass kit 2015 + Ford 6.7 L. Keeps injectors & rails safe from CP4 pump failure debris. CP4 pump failures in the Ford 6.7L can cost you far more money than just replacing a fuel injection pump. Metal particles will flow throughout your fuel system and destroy your fuel injectors and contaminate your fuel rails 18,874. Location. Boulder City Nv. Oct 3, 2019. #41. The cp4 lawsuit is only able due to social media and when so many people hear of the issue they band together - strength in numbers. No doubt the ip replacement volumes which were mostly the pmd failures would have had its lawsuit (s) if we had the interconnectivity of modern times back then

Percentage of bad CP4s Dodge Cummins Diesel Foru

Eddie Clark February 4th, 2021 . I have a 2011 Duramax. The dpf has been deleted, the egr has been turned off. A lift pump was added and a 40 horse tune. The cp4 just went out sending metal thru the fuel system so I have replaced the cp4 with a cp3 conversion, replaced all rails, high pressure and return lines, and injectors S&S CP4.2 Bypass Kit Features & Details: Keeps injectors/rails safe from CP4 pump failure debris The original 6.7 Power Stroke CP4.2 bypass kit 50state CARB-compliant (EO number D-756-1) 100% Made in the USA Fits 2011-2019 Ford Super Duty with 6.7 Power Stroke Description: S&S Diesel Motorsport, the commo So, the 6.7 PowerStroke uses a Bosch CP4.2 HPFP, and has 30,000 PSI rail pressure. (AFAICT, the major difference between the CP4.2 and the 4.1 used in the VAG 4-cylinder common-rail TDIs is that the CP4.1 is single-piston, the 4.2 is dual-piston? Anyway, the VAG 3.0 V6 TDI does use the CP4.2 as.. The CP4 disaster prevention kit cannot prevent the CP4 pump from failing. What it does do is prevent the contamination from the failure from entering the high pressure fuel system.! Announcing the NEW GEN 2 KIT! Since its debut in 2016, the original S&S 6.7L Power Stroke CP4 Bypass Kit has safeguarded thousands of fuel systems from CP4.

CP4 Reliability Poll Chevy and GMC Duramax Diesel Foru

This new and improved CP4.2 from Exergy is the upgrade for your 11-15 Powerstroke. The factory MPROP has a course single layer screen that will allow metal debris past it in the case of a pump failure and will typically take out the entire fuels system when it does fail The bosch cp4. 2 fuel injection pump has a very high rate of sudden failure leading to immediate stoppage on the engine and engine braking system. The pump destroys itself and takes out the rest of the entire fuel system leading to repairs in the $20,000 usd range. Fca & ram have attempted to revise the pump in late (july) 2020 to solve the. Statistical Analysis - HPFP Failure Rates 4 RP0 RP1 RP1+ Population 126821 86431 28027 Warranty Cases Submitted 3535 1094 43 8Ds 118 180 3 IN 8Ds 27 5 0 % factor 22.88% 2.78% 0.00% max. undetermined WC 809 30 0 Sample Failure Rates (C/1000) 6.4 0.4 0.0 average YIS (a) 3 2 1 R/1000 per years-in-service 1.96 0.23 0.00 Stall While Driving w/No.

· In comparing the LML Duramax with the 6.7L Power Stroke—an engine that also uses the CP4.2 but is accompanied by a factory electric lift pump that supplies it a steady 55-60 psi—the CP4.2 failure rate is much lower. Want to know the best upgrade for 403 People Use S&S 2011-'14 Ford 6.7 CP4.2 bypass kit The S&S 6.7L Ford Power Stroke CP4.2 Bypass Kit, or commonly called the Disaster Prevention Kit, does exactly what the nickname implies, it prevents the disastrous consequences of an inevitable CP4 pump f Exergy Performance's improved Inlet Metering Valve is cost effective insurance for the failure prone CP4.2 pump. Exergy has developed this innovative design to help minimize further damage to the factory fuel system, which can cost many thousands of dollars. The factory 80 micron screen has proven incapable of capturing all the contaminates.

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