Question about 2004 Chevrolet Silverado

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Truck is bogging out at take off, but if I shut it off, it start to run ok. had check engine light check, came out with error code 300 multiple miss fire.

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  • Chevrolet Master
  • 14,036 Answers

Faulty TPS sensir or mass air flow will cause the problem you are having.

Posted on Oct 16, 2013

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  • Chevrolet Master
  • 4,514 Answers

Injector drivers in computer cud be worn--wen they heatup-dont work well--get a data stream run-its a readout with voltages that a tech can pinpoint issue--code readers are too basic-----try unplugn computer and cleanin the pins--

Posted on Oct 16, 2013

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: Running rough check engine light on

cylinder 5 has a dirty or sticking injector. check pvc and egr valve.

Posted on May 10, 2009

tripletauto
  • 1450 Answers

SOURCE: 2003 Chevrolet K1500 4x4 multiple miss fire code P0300

IS IT POSSIBLE YOU GOT A WIRE CROSSED? or a plug is cracked and or gap closed up? i would check these. you have the 5.3? what kind of plugs are you running?

Posted on Dec 16, 2008

  • 599 Answers

SOURCE: Check Engine Light wont shut off

this car needs to be scanned for the codes in the computer, dis-connecting the battery will NOT put out the engine light this can only be done with aa scan tool,get back to me wken you get the codes and we'll go from there. most BIG name auto parts stores will scan the car for little or no cost.Please rate my fix as i strive to be the best Thanks Ray

Posted on May 01, 2009

  • 1 Answer

SOURCE: PO300 code on 2004 Chevy 2500hd

Hi Frank, Give me a call, 866-718-1234 ext 158.

Posted on Jul 13, 2009

  • 7353 Answers

SOURCE: 2001 Chevy prizm with persistent check engine

4 years? you really need to find a mechanic that knows what hes doing. if you have replaced the canister and purge solenoid valve (muliple sensors? you realy need to be specific on what has or has not been replaced ) most times the hoses are not installed properly on the purge solenoid, or leak. the hose with the green cap/test port should be closest to the electrical connector.

Posted on Oct 01, 2009

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