Question about 2003 GMC Envoy

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2003 Envoy, abs light came on and emercency brake light on.

Its the coldest day of the year. -9 wind chill makes it feel like -20. Started the car. made a funny noise, crackaly sound. Drove 20 miles just fine until the lights came on. Restarted it and lights are still on. idling rough now. Manual says tow it.

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There is a chance that your ABS module is going out, or has gone out, although that doesn't explain the rough idle problem. I had the same thing happen on my '01 Tahoe, and it's a known problem with ABS units. Repair at dealer is over $1200.00. Repair yourself with a rebuilt module is $150.00+shipping and a little elbow grease. Get on EBay, search for ABS module repair, and there is a company in Russia, Iowa who will rebuild the one you have, and warrant it for 5 years (GM won't do that with their $1200 repair.).

The rough idle I bet is coincidental and not related.

Posted on Jan 16, 2009

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