CHECK ENGINE LIGHT

2005 GMC Envoy

Tiny

suziq2750

December, 27, 2007 AT 10:02 PM

2005 GMC Envoy 6 cyl Two Wheel Drive Automatic 79900 miles

Auto zone connected their tool to it and it shows secondary injection malfunction

there are no changes in the way the vehicle drives or operates.

no weird sounds either

please help

they turn the light off and it comes back on the next day with in 4-5 minutes of the same time it came on the day before

FOUND 17085 RELATED QUESTIONS

1 Answer

Tiny

blackop555

December, 27, 2007 AT 10:19 PM

Check your vaccum lines coming off of the air pump you may have a vaccum leak.

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