Does a LML have a lift pump?
You should strongly consider a lift pump for your LML (2011-2016 Duramax). Although there are many benefits a lift pump provides, your LML needs them for 2 main reasons, RELIABILITY & PERFORMANCE.
When does a Duramax LML / LGH CP4 pump failure?
If the body casing of the pump is cracked, as in the picture, or you find metallic debris on the fuel pressure regulator screen (pictured right) this is indicative of a pump failure. InjectorsDirect.com has put together complete repair solution for LML/LGH CP4 Pump failure using all OEM parts (pictured below.)
Why did my GMC Sierra 3500HD engine die?
“Driving from GM dealer for two miles change fuel filter message appeared and engine died,” wrote a 2012 GMC Sierra 3500HD driver in a 2014 complaint to the National Highway Traffic Safety Administration, which was included in the lawsuit. “Towed to a dealer diagnosed as a high-pressure injector pump failure with metal contamination to fuel system.
What was the problem with the GMC Duramax engine?
The plaintiffs allege that this poses a threat to “hundreds of thousands” of customers who purchased trucks equipped with a 6.6-liter Duramax engine during that timespan. Per The Detroit News, the lawsuit cites a mechanical failure which causes metal shrapnel to enter the engine via a Bosch-built high-pressure fuel pump.
What can cause a fuel pump to fail?
Simply flushing the fuel system is inadequate, and could lead to residual contaminants in your fuel system. Contamination is the number one cause of repeat injector failure. Replacing all of the fuel system components is the only way to prevent recurring contamination issues. Each component carries a three-year warranty.
What kind of fuel does a Duramax lift pump use?
The AFE 42-14021 DFS780 Fuel System with Full-Time Operation for your 2011-2016 GM 6.6L Duramax LML offers you a complete fuel system solution for your Duramax pickup. The fuel in your truck contains contaminants, water and air/vapor which reduces power and can cause damage to your injectors.
If the body casing of the pump is cracked, as in the picture, or you find metallic debris on the fuel pressure regulator screen (pictured right) this is indicative of a pump failure. InjectorsDirect.com has put together complete repair solution for LML/LGH CP4 Pump failure using all OEM parts (pictured below.)
Which is CP3 pump for GM 6.6L Duramax?
The Fleece FPE-LML-CP3-FF-10 LML CP3 Conversion with PowerFlo 750 Pump for your 2011-2016 GM 6.6L Duramax is designed to convert your stock CP4 to a CP3. Why convert your LML’s Fuel System from a CP4 to a CP3? The stock CP4 is only capable of supporting up to ~500rwhp. The reliable and proven PowerFlo 750 is capable of supporting nearly 850+ rwhp.
The plaintiffs allege that this poses a threat to “hundreds of thousands” of customers who purchased trucks equipped with a 6.6-liter Duramax engine during that timespan. Per The Detroit News, the lawsuit cites a mechanical failure which causes metal shrapnel to enter the engine via a Bosch-built high-pressure fuel pump.