Question about 1997 GMC Sierra

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I have a 97 seirra check engine light comes on about every 125 miles shows no code

I reset and it does it again after 125 miles

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  • Chuck Jan 11, 2013

    took it to mechanic/ took it too autozone and oreillys one said egr bad replaced it still does it other one said cat is bad mechanic ran codes wasnt any

  • Chuck Jan 11, 2013

    sometimes it has black smoke coming out of tailpipe wen it comes on

  • Chuck Jan 12, 2013

    when it comes on after shutting it off takes about 20 cranks to start again

  • Chuck Jan 12, 2013

    i take battery cable off for 30 sec. reconnect it starts right up

  • Chuck Jan 12, 2013

    mechanic thinks computer is bad

  • Chuck Jan 12, 2013

    and im not gonna pay 300 dollars for new computer and find out it does the samething

  • Anonymous Jan 12, 2013

    The computer hardly ever fail but you do need an experienced person to road test & diagnose using professional test equip

×

1 Answer

Why are you asking?

You have a check light on

Codes or Not you need to diagnose
the issue

You most likely have stored data a
code reader can't see

Posted on Jan 11, 2013

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