Question about 2002 Chevrolet Silverado

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I have a 1990 toyota 4runner i have reaplaced the feul filter and drained my feul tank and it is still missing and backfiring under load how might i fix this

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  • Anonymous Nov 29, 2012

    Egr Valve also --check that

  • Anonymous Nov 29, 2012

    You said you replaced a fuel filter & drained the fuel tank,yourself I assumed That was what you wrote

  • clatyon buck Nov 29, 2012

    yes i have replaed a feul filter and drained the feul tank myself i was just talking to a guy and he said it might be my feul pump in my tank.befor i drained my tank it used to sputter at a quater tank and now it sputters at half but when it is full it does not sputter why is that.is it hard to drop the tank and change the feul pump

  • Anonymous Nov 29, 2012

    Tip up the bed instead Have you checked fuel pressure at the motor Fuel level is not your issue

  • clatyon buck Nov 29, 2012

    no i have not checked the feul pressure i do not have the proper tools for that do you think it might be my feul pump?

  • Anonymous Nov 29, 2012

    I don't think anything & always have wiring diagrams & test equipment to work on a vehicle There is no guessing only a road test & testing

  • clatyon buck Nov 29, 2012

    well thaks for all your help peter

×

1 Answer

Check for Codes
Check for Vacuum Leaks--everywhere,engine,exhaust,evap system
Check Fuel Pressure at motor with a gauge
Change front oxygen sensors-- closest to motor
Change exhaust converter-- if 14 years old (air in --air out !!!)
Spark plugs every 3 years
I don't know the ignition system on that so that needs to be
learned & working (do you have a distributor,does the advance work

Posted on Nov 29, 2012

Testimonial: "thank you i am not much of a fixer uper guy but i will tell my guy to look at this stuff thanks"

  • clatyon buck Nov 29, 2012

    today i am going to change my feul filer it seemed to run better the last time i did that.befor i drained my feul tank my 4runner used to start missing when my feul got down to a qaurter tank and now it does it at a half a tank do you think i might have a hole in the top of my gas tank

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