What happens if you don’t change the fuel filter on a Duramax?

What happens if you don’t change the fuel filter on a Duramax?

The engine’s computer restricts the output to protect the engine from potentially damaging contaminants. The vehicle will produce a sluggish feeling and may even trigger the Check Engine light.

How many miles can a fuel filter go on a Duramax?

GM recommends replacing the fuel filter and draining the fuel water separator at 15,000 mile intervals on 2001 to 2010 model year vehicles, and every 22,500 miles (or as prompted through the instrument cluster display) for 2011 to 2016 model year vehicles.

How often should you change your fuel filter on a Duramax diesel?

Change your LLY’s engine oil and filter at least once every 6 months and your fuel filters once a year. Keep an eye on your air filter and change it as needed. If you’re in very dusty areas you will likely need to change it sooner.

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Why does my Duramax keep saying change fuel filter?

So the issue is either dirty fuel filters, kinking or worn out rubber lines, overzealous tuning that the lift pump can’t keep up with( highly unlikely) or a bad switch. You’ll be surprised just how much residual drop there is from that pump to the filter head.

What happens if I don’t change my fuel filter?

Unless totally blocked, rarely will a bad fuel filter keep your engine from starting. On a vehicle where a fuel filter has never been changed, the dirty filter can cause erratic fuel flow, resulting in longer than usual cranking before the engine starts. Check your owner’s manual on filter replacement intervals.

How does a car act when the fuel filter is going out?

Here are five of the bad fuel filter symptoms to watch for:

  1. You have a hard time starting car. If the problem is the fuel filter, and it isn’t changed soon, you may find that your vehicle won’t start at all.
  2. Misfire or rough idle. …
  3. Vehicle stalling. …
  4. Fuel system component failure. …
  5. Loud noises from the fuel pump.

What kind of fuel mileage does a 6.6 Duramax get?

This Duramax 6.6-liter V-8 gets 17 to 19 mpg on the highway. It has not yet been officially tested for in-town miles per gallon. This Sierra comes with a six-speed automatic transmission.

How much does it cost to change a fuel filter on a Duramax?

The average cost for a Fuel Filter Replacement is between $143 and $183 but can vary from car to car.

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What year Duramax gets best fuel mileage?

#1 – Chevrolet Silverado 2500HD

Year Average Miles Per Gallon
2002 15.0 MPG
2004 14.3 MPG
2006 14.3 MPG
2008 14.5 MPG

Are 6.6 Duramax good?

In general, it’s a very durable and reliable engine. However, as the first models hit the 100,000-mile mark, some issues cropped up. … GM even recognized the problem as they eventually corrected the original design and offered a 200,000-mile warranty on the updated Duramax parts.

How often should I change my Allison transmission filter?

Beginning with s/n 6510670912 and s/n 6610205144, transmissions equipped with allison high Capacity Filters do not require an initial main Filter change at 5000 miles/8000 km/200 hours.

How many fuel filters does a 2003 Duramax have?

Registered. Do you mean Primary filter? The stock truck only has one filter that acts as a primary and secondary.

How do I reset fuel filter warning on Duramax?

Depress the accelerator and brake pedals simultaneously and fully and hold them down for ten seconds. Release the accelerator and brake pedals and turn the ignition key off. The system is now reset.

How do you clear codes on a Duramax?

With the Dodge trucks you can disconnect both batteries, both cables. Then hold the positive and negative cable together off one of the batteries for 10 seconds. This will completly drain the system and clear any codes that it may have. It should work the same with a Duramax.

How do you reset the fuel filter on a Duramax 2021?

Without pressing the pedals, turn the ignition key to the on position without starting the engine. Wait five seconds. Completely press the brake and the accelerator pedals simultaneously and hold for ten seconds. The system is now reset.

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