Question about 1986 Isuzu Trooper

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Isuzu Tooper 1986, been sitting for 4 years, been thru 4 new pump

I am a certified Toyota mechanic. have new job to start at Toyota Dealership. Just have to get this 1986 trooper isuzu dependable to get me to and from work. i have checked fuel tank for trash. have put on 4, maybe 5 new fuel pumps from Autozone and Advance Auto. will run for short period of time then begin to sputer as if running out of gas....very similar to trash in lines. I would love to find free diagram of exactly where fuel line and vacum hose need to go. I now have an original factory fuel pump to put on but want to make sure I have checked every thing out, and possible fuel filters and double check for possible rust particles that may be clogging up fuel pumps.....any suggestions for me to do before I have to drop the complete fuel tank, and could it be something else that I am missing all together ? not a real good and knowledgable mechanic when it comes to isuzu?

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  • Anonymous Feb 16, 2009

    I have the same trouble, I just replace the fuel filters every couple weeks or so, and it works out

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  • Master
  • 1,990 Answers

Checkmate. You have trash at the Bottom of that tank and will have to Drop it to stop Dropping Cash on Fuel Pumps and Injectors. There is not a lot of other Options that you have not Explored already.

Posted on Jan 12, 2009

  • straycats196 Sep 05, 2012

    the truck is a 1994 if i take the tank off i'm sure there is rust in there what do i use to clean and maybe put to line the tank with to help keep out the trash and rust at a cheap price. i dont have that much thats whay i still drive a 1994 isuzu

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