MY TAHOE RUNS ROUGH WHEN AT IDLE BUT IF I GIVE ...

  • Tiny
  • djjones
  • 1999 Chevrolet Tahoe
  • 112,987 miles

My tahoe runs rough when at idle but if I give it gas it runs ok I got a code for cylender 4 misfire so the plugs where misplaced and it still runs the same.

Sunday, October 21st, 2012 AT 10:56 PM

5 Answers

  • Tiny
  • rasmataz
  • Member

P0304-Check the plug, compression and injector for this cylinder-then report back

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Sunday, October 21st, 2012 AT 11:06 PM
  • Tiny
  • djjones
  • Member

Ok I had to replace the fuel pump but I will have that other stuff checked when I get a chance. I replaced the plug a few weeks ago and it cleared but now its doing it again

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Sunday, November 18th, 2012 AT 7:17 AM
  • Tiny
  • rasmataz
  • Member

P0304-Check that cylinder's compression and injector

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Sunday, November 18th, 2012 AT 7:34 AM
  • Tiny
  • djjones
  • Member

I checked the cylinder and compression is around 50psi

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Saturday, December 1st, 2012 AT 9:14 PM
  • Tiny
  • rasmataz
  • Member

You need to identify what's causing it to be low- Valves or Rings-

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Sunday, December 2nd, 2012 AT 12:53 AM

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