View Single Post
Old 05-01-2017, 08:12 PM   #2
sntrym95
Registered User
 
sntrym95's Avatar
 
Join Date: Jan 2006
Location: Cleveland, Oh
Posts: 576
Re: Strange check engine light

Sounds like EGR. The scan tool at Autozone probably can't read it. Try the paper clip method by jumping pins A & B on the OBD I connector and wait for the SES light to flash codes
__________________
Mike

Toy list:
1995 C1500 Ext. Cab 5.7
1995 GMC Yukon 4dr 2wd 5.7 Vortec conversion, AAM TracRite, Lincoln Mark VIII fan conversion
1979 Mako 23 CC
sntrym95 is offline   Reply With Quote