When to change the fuel filter on a Duramax?

Dirty fuel filter is the most common issue we see when fuel rail pressure is low. The filter should be changed in the 8,000-10,000 mile range if good fuel is being purchased and running mostly low HP tuning, much sooner if running competition/race style tuning.

Why is my Duramax fuel rail pressure so low?

This is a very common problem that we hear about from our Duramax customers. Actual fuel rail pressure is not keeping up with desired fuel rail pressure. This may only happen in high fuel demand situations like towing or racing but it can also happen with everyday use.

How much does it cost to rebuild a Duramax fuel rail?

Airdogliftpumps.com sells an inexpensive rebuild kit complete with filter and instructions to repair this important part.The water separator screws into the bottom of the filter itself and must be replaced if cracked or damaged. Common hand tools are all that is needed. Approximate time is 1 hour. Parts Cost: $19.99

Where is the CP3 on a Duramax engine?

This CP3 is under high demand, sucking fuel from the tank through the filter and then converting this to pressures up to 26,000 psi.It is a mechanical pump and does wear with use. This is a big job to do as the CP3 is gear driven off of the camshaft and is located in the valley of the engine.

What is the fuel economy of a Duramax?

PPE Economy Xcelerator 01-10 6.6L LB7/LLY/LBZ/LMM Duramax PPE-111010000 3.00 PPE (Pacific Performance Eng.) 111010000 The Xcelerator will increase fuel economy with the side effects of more torque/Horsepower and better throttle response. Superchips FlashPaq F5 Tuner 01-16 6.6L GM Duramax / Gas Applications SCI-2845 5.00 Superchips 2845

What are the symptoms of a bad Duramax fuel regulator?

Common Duramax Fuel Pressure Regulator Problems 1 Black Smoke. As we’ve said before, one of the most common problems that fuel pressure regulator experience is black smoke. 2 Strong gas smell. What are some of the most common symptoms of a bad fuel pressure regulator? 3 Hesitation on the gas pedal. 4 A decrease in power acceleration.

What causes black smoke in a Duramax engine?

The engine will increase the fuel pressure, which causes the fuel pressure regulator to produce more fuel inside than the engine needs. While it is true that black smoke could be another problem, most of the time, it is a faulty fuel pressure regulator causing the smoke.

What kind of tuner does a Duramax diesel use?

Superchips FlashPaq F5 Tuner 01-16 6.6L GM Duramax / Gas Applications SCI-2845 5.00 Superchips 2845 Make hooking up to a trailer a breeze with the Edge EAS Backup Camera! Edge 98620 EAS Expandable EGT Probe Kit with Lead EDG-98620 2.00 Edge Products 98620

How does the Duramax engine alert system work?

Some Chevrolet and GMC trucks equipped with the Duramax diesel engine come standard with an alert display in the dashboard. This alert system will let you know when to change your engine oil, when you have water in your fuel, as well as letting you know that your fuel filter will need changed soon.

Why is my Duramax diesel engine not working?

The trucks computer keeps track of how much fuel needs to be added or subtracted from each individual cylinder to make the engine run smoothly, and this value is called the balance rate. If one cylinder is contributing too much or not as much as the rest, the cause is usually a bad injector and the cure is a replacement.

Can a GM 6.6L fuel filter head be rebuilt?

The Merchant Automotive 10192 Fuel Filter Head Rebuild Kit for your 2001-2010 GM 6.6L Duramax allows you to rebuild your leaking Fuel Filter Head. Over time, the Fuel Filter Head can leak causing hard start and priming issues.

What kind of fuel rail plug does a Duramax use?

The Attitude Performance Products 2004 LB7 Fuel Rail Plug for your 2001-2004 GM 6.6L Duramax is designed to replace the stock pressure relief valve. This valve helps maintain fuel rail pressure during heavy engine load conditions, while eliminating the potential for low fuel rail pressure DTC Code P1093.

Which is water in fuel sensor for Duramax?

The Dorman 904-110 Water In Fuel (WIF) Sensor is an affordable replacement option for your 2001-2011 GM 6.6L Duramax. Dormans Water In Fuel Sensor is constructed from high-quality materials to withstand wear and tear due to repeated fuel filter service and other factors.

What kind of fuel filter does a Duramax use?

The AFE 44-FF011 Pro-Guard D2 Fuel Filter for your 01-16 GM 6.6L Duramax delivers increased flow and efficiency that are demanded in a Diesel environment. High performance and high flow all in one quality engineered filter.

What kind of fuel filter does a 5.9L Cummins use?

If your GM Duramax, 5.9L or 6.7L Cummins is equipped with an XDP CAT Filter Adapter, this is the filter you need to service it.

What is the GM 12639277 water in filter sensor?

The GM 12639277 Water In Filter Sensor for your 2001-2011 GM 6.6L Duramax is a genuine OEM replacement Water In Filter (WIF) Sensor. The WIF sensor threads into your factory fuel filter. Over time these sensors can strip, break or become damaged allowing air leaks which will cause hard starts and poor performance.

Duramax Fuel Filter Change Intervals 10-07-2015, 01:49 PM. Dmaxstore recommends changing your fuel filter at no more than 10k miles. This interval may be increased to 15-20k if you have a quality pre filtration set up.

How do you Prime a Duramax fuel system?

To complete the installation the fuel system needs to be primed again by pumping the plunger on top of the filter head then purging the air from the system through the bleeder screw. This process may need to be repeated a few times to get all of the air out of the system. After starting the truck, check for leaks before driving.

What kind of screws are in a Duramax fuel filter?

The billet aluminum parts in the Master Kit look good, but they aren’t just there for looks. A billet aluminum bleeder screw replaces the factory-installed plastic bleeder screw, which is flimsy and prone to stripping and cracking.

What is the fuel filter base on a Duramax?

The Alliant AP0029 Fuel Filter Base and Hand Primer Seal Kit is designed to rebuild the fuel filter base (also known as a fuel filter head) found on your 2001-2010 GM 6.6L Duramax.

When to change the fuel filter on a Duramax?