Question about 1995 GMC Jimmy

1 Answer

My jimmy sputters and sometimes backfires while driving then will cut off. I

After it cuts off it takes about 1 or 2 hours and it starts right up with no problem and will run for a couple days before it happens again.

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  • george shelton
    george shelton Nov 28, 2013

    I replaced the fuel pump and all fuel filters about 2 months ago.

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  • Master
  • 1,198 Answers

Back in the day, we called this vapor lock, caused by fuel lines too close to hot parts on the motor. Also could be a dirty fuel filter, and there is another in the fuel tank, a last resort check.
Fuel lines can be insulated, use something fireproof, heat proof. There is a tape sold as muffler seal, it's pretty tough.

Posted on Nov 26, 2013

6 Suggested Answers

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Posted on Jan 02, 2017

  • 3 Answers

SOURCE: Sputtering, chugging, black smoke - won't restart when hot

check your tail pipe for a "clog" engine not breathing correctly.

Posted on Jun 26, 2008

  • 1 Answer

SOURCE: Truck Stalls when ideling in traffic

I don't know what the STP cleaner may have done; I had a similar problem where my car would idle very low when stopped or in a drive-through waiting. It turns out there was black soot on the engine intake. I disconnected the rubber hose from the air filter at the engine (take cover off, loosen 1 clamp). I used a spray can of throttle body cleaner and wiped the area clear. I then had my dealer perform the programming change for a service bulletin that mentions throttle body coking.

Posted on Dec 31, 2008

smartr10U
  • 1305 Answers

SOURCE: no power, sputtering, backfiring

Replace fuel filiter, and ignition wires..

Posted on May 08, 2009

  • 634 Answers

SOURCE: Service engine light keeps coming on

need to scan for codes and find problem code some part stores do for free

Posted on Jul 06, 2009

  • 2 Answers

SOURCE: my 1996 GMC Jimmy dont

Fuel pump in the tank is a common issue.

Posted on Sep 19, 2010

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