Question about 1995 Chevrolet K1500

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Running rough After shutting engine off for 1/2 hour to45 minutes runs rough starving for fuel cold starts runs fine

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Most likely it would be the fuel filter. Sometimes debris can get stuck in the filter and clog it up. Letting it sit lets debris settle hence the cold start being fine. I suggest changing the fuel filter. If that does not fix the problem change the pump also. If you are looking for a slim chance but possible cheap fix try putting some fuel injector cleaner through the system. This might fix the problem even if it is the fuel filter but be warned it is a temporary fix and the fuel injector cleaner does leave a gummy substance on the fuel filter and might make your problem worse. So if you choose this route you should change your fuel filter in the not to distant future.

Posted on Mar 24, 2014

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6ya6ya
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Posted on Jan 02, 2017

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GregV24CHOPP
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SOURCE: when cold, it idles rough, revs high then low! After warmed up it runs fine

if it runs high when you first start it then mellows out,, theirs no problem , all of our chevys do that.... but if its sputtering or you hear a quiet popping noise check spark plugs

Posted on May 20, 2009

co7196
  • 3433 Answers

SOURCE: 1983 chevy 454 wont stay running

If it's an electrical problem it wont start at all. If it starts, runs or a few, it's a fuel issue.
A new pump and lines, what about any inline fuel filters and the fuel filter in the carb fuel inlet? If it has a quadrajet carb, the fuel inlet filter will play with you.Check your idle speed and the auto choke setting.Any questions on how to balance the carb and set the xhoke, Feel free to ask. _NNed

Posted on Aug 23, 2009

  • 400 Answers

SOURCE: Rough Engine When it is Cold

Sounds like the intake gaskets are sucking air when cold. When it warms up then they expand and take up the space and no longer **** air. You can test the theory by spraying a little water on the intake while it's running if it starts missing even more then that is most likly the problem. It's not a hard job to do, but if you do not have wobble sockets then it will be a little more diffacult.

But if they want 600 bucks to do plugs and wires then you need to find another shop to work on your tahoe! That's alot of money for something that only takes a few minutes to do, and the parts shouldn't be much more than 150-200 on the high side!

Posted on Oct 31, 2009

  • 474 Answers

SOURCE: 87 chevy 350 fuel injected pickup wont run smoothly

sounds like your egr valve is gummed up or bad. this is located behind the throttle body and has a single vaccum tube connected to it. if the diafram is still good you can remove it and clean it with WD 40 until the plunger works smooth

Posted on Nov 08, 2009

  • 251 Answers

SOURCE: 2002 express 1500 van, will not start

remove dog house locate test port and install guage should be 45-60 psi

Posted on Mar 04, 2010

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