I drive a 2001 withabout 80,000 mi, (driven daily) about two years ago I ran into the same problem; we finally determined it was mostly due to the crap gas. Try runnung a tankfull with the additive available from Chevy Parts (about $25.00) and then run Chevron or Texico with Techron. You can also buy the Techron from Parts stores. The bottom line is if the car is running OK. My Check Engine light is on about half the time and I was concerned about damageing the motor, but I have a really savy Tech. at my Dealer, that pointed out "if it is terminal your gauges will tip you off". He also drives a C-5 that every once and a while will have the C. End. ligh flicker at idle. I thinl you can thank Al Gore and the mandated 10% alcohol
richard
bioya@cfl.rr.com
Submitted by: Richard Burnett
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