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fuel pump

  1. T

    Fuel pump replacement

    So I love my 2002 z66 a lot. It just recently hit 200k miles and I started having problems. Ultimately I’ve had two different mechanics both tell me I need a new fuel pump. I’ve bought the fuel pump but want to know your thoughts about cutting an access panel from the back seat vs. dropping the...
  2. W

    P0231 low voltage secondary circuit

    Good Morning! I’m new to the forum and The Avalanche. I’ve owned a 2002 2wd 1500 for about a month. Recently it got a CEL and goes into limp mode but once reset its back to normal and comes back on very intermittently. There is no rhyme or reason when this thing comes on. The truck has always...
  3. D

    Hard shift and uo, po & p code

    I have a 2008 LTZ who is 192,000 miles young. Not really had too many problems with her except for normal wear and tear until recently. She started showing a suspension service dash lite then began shifting hard from lst-2nd with intermittent erratic speedometer. Hooked up the OBD and there...
  4. S

    Uneven Idle is getting progressively worse but cannot find the cause (Fuel Pump / Injectors?)

    Hey all, I drive a 2008 Chevrolet Avalanche (Body has 150k Miles Engine has 40k Miles...AFM sure is great) 6.0 L L76 V8 (gasoline) with a GM 4L60-E transmission. I have an issue where the truck's idle has been getting progressively worse over the last few months. Issue: When at a stop the idle...
  5. Ethanvance

    Fuel pump not working and many more electrical issues on 2004 2500

    my mom bought this 2004 avalanche 2500 with the 8.1L about 10 years ago, about 6-7 years ago it needed work done on the brakes and suspension and she couldn't afford it at the time so she just parked it with only 55k miles. Well now she has decided to give it to me if i can get it running. so...
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