Thread: 1997 Grand Cherokee 4.0, new oxigen sensor and still code 21
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Old 06-07-2004, 02:46 PM
pepo pepo is offline
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Re: Re: 1997 Grand Cherokee 4.0, new oxigen sensor and still code 21
Quote:
Originally Posted by Dale Aeppli
HI TRY DISCONNECTING THE BATTERY GROUND CABLE FOR ABOUT 45 SEC. IF IT DOESN'T OFF REMOVE BATTERY POSITIVE CABLE FOR ABOUT 45 SECS. HOPE THIS HELPS DALE [email protected]
Yes, Dale I did it,
but the problem is the check engine turns on again and a hesitate too

thanks for the reply
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