Question about 2003 Chevrolet Silverado 1500

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My 2013 Silverado auto trans (4.8, I think) is now idling between 500-1000 RPM. Had the truck about 5 weeks. Bought it with about 19K miles. Help please/ or suggestions.

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  • 190 Answers

Not enough info.. is the engine Throttling?? up down up down?? Idle should be say between a "Steady" 600 to 725 RPM.. depending if in drive or not.. BCB..

Posted on Oct 21, 2013

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6ya6ya
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Posted on Jan 02, 2017

  • 1779 Answers

SOURCE: Chevy truck running rough 150,000 miles

Find out why the engine light is coming on, it is the info u probably need to fix the running rough problem. Most auto parts stores will read the codes stored in your trucks computer for free, write them down, and ask what they mean and how to correct the problem. If u need more info, return to this site w/ codes for further help.

Posted on Dec 30, 2008

  • 7 Answers

SOURCE: 1991 chevy silverado lost reverse

just have someone look at it. like aamco or someone that does a free diagnostic. the tranny will probably have to be rebuilt.

Posted on Jan 02, 2009

  • 8 Answers

SOURCE: slipping auto trans in 94 chevy truck

actually i would say no because there are 6 cyl transmissions with 4 frction plates and v8's have 5 friction plates in the forward planetary gear

Posted on Mar 27, 2009

cansmo
  • 2431 Answers

SOURCE: idel problem on 5.7 1995 silverado

You engine is TBI, It uses a MAP sensor check the vacuum line for crack and make sure yo have a good seal, The distributor also check and make sure the pick up does not have corrosion which causes the relutor to stick. As for the EGR it would cause a misfire, and yes the do fail. I am sticking with the IAC as a problem its a stepper motor and has a high failure rate, chack also the ECT (engine coolant temp sensor) for corrosion that gives false reading.

Posted on Mar 05, 2012

  • 1 Answer

SOURCE: Rough Idle on my 2004 Chevy Silverado

1 of two things I can think of, throttle body is dirty or intake manifold gasket needs to be replaced. I had both replaced at separate times. Throttle body was cleaned and my tpms went back to normal. Then just at the beginning of this year, Ron were low and misfiring random. Intake manifold gasket solved that.

Posted on Jun 16, 2012

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