Question about 1999 Chevrolet Silverado 1500

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I have a 1992 chevy truck the idle goes up and down and loss power and gets hot and the egine light comes on that when i loss power

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  • John Hicks
    John Hicks May 27, 2011

    just wanted to see if you have fixed your problem yet

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: idles to fast

If it is a V6 2.8L Don't worry my truck dose the same thing. I don't think it is a problem.

Hope this help a little.

Posted on Oct 27, 2008

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  • 362 Answers

SOURCE: 1996 chevy c1500 w/rotten egg smell,loss of power,rough idle

Your catalytic converter is plugged up,  If you check the exhaust output at the tailpipe you will find it restricted.
Let me know if I  can assist further.
Lone99star

Posted on May 08, 2009

Sarethan
  • 76 Answers

SOURCE: The temp gauge on my 2003 chevy impala is pegged hot when idling, but goes down as I drive. Is this a thermostat problem?

The most probable cause is air in the system. If all fans kick on then it can only be air in the system or problem would accure when driving too. A pocket of air will cause a small vortex and it take far more pressure to get anything around it. Like fluid. To burp the system....when your car is cooled off, remove the radiator cap and then start it up....it will push all the air out the top and you will see bubbles and maybe even some fluid shoot out. Just make sure you add back to correct levels when all done. This running process has taken me as long as 30 mins to get all the way out. Its easy and free but DO keep an eye on the temp guage while the cars just idealing to get the air out.

Posted on Oct 24, 2009

  • 303 Answers

SOURCE: my 1992 gmc sierra truck started running very

Bad fuel, bad air filter,PVC valve, EGR valve

Posted on Jan 19, 2010

  • 148 Answers

SOURCE: truck won't crank & run when hot

The PMD ( pump mounted driver) black box on the side of the injection pump is shutting down when it gets hot, Best to replace entire injection pump for warranty purposes> repair should be made by qualified diesel mechanic as the **** timing has to be set with scan tool after replacement

Posted on Jan 31, 2010

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Hello and welcome to FixYa!

If that's the case then the problem will be on the MAF (mass air flow) sensor. If the MAF is faulty the car tends to loose power and erratic idle may occur. One good reason why you are having this issues. I strongly suggest that you have it replaced to resolve the problem.
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