REDUCED ENGINE PERFORMANCE

  • Tiny
  • kleinhj
  • GMC C2500

I have a 2003, sierra, 6.0,145000 miles, crew cab, 1500 hd, 4x4, my readout will pop up, reduced engine performance and my truck will not die out but will run very rough, I stop the engine, open my gas cap and recrank the engine and it will run fine, but my engine light stays on for at least a day then it goes away. This occurs at least 3or 4 times per tank of gas, and it doesn't seem to matter if is full or low or at half a tank.

Thursday, November 15th, 2007 AT 7:36 PM

1 Answer

  • Tiny
  • rasmataz
  • Member

Get an OBD2 read out and comeback with the code/s. You can go to autozone and get read for free.

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Sunday, November 18th, 2007 AT 7:44 AM

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