1999 Chevrolet Tahoe Runs Rough Idle Give Gas Got Code Cylender 4 Misfire

1999 CHEVROLET TAHOE
112,987 MILES
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DJJONES
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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.
Oct 21, 2012 at 10:56 PM
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RASMATAZ
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P0304-Check the plug, compression and injector for this cylinder-then report back
Oct 21, 2012 at 11:06 PM
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DJJONES
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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
Nov 18, 2012 at 7:17 AM
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RASMATAZ
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P0304-Check that cylinder's compression and injector
Nov 18, 2012 at 7:34 AM
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DJJONES
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I checked the cylinder and compression is around 50psi
Dec 1, 2012 at 9:14 PM
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RASMATAZ
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You need to identify what's causing it to be low- Valves or Rings-
Dec 2, 2012 at 12:53 AM
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