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Old 05-01-2017, 08:12 PM   #2
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sntrym95's Avatar
Join Date: Jan 2006
Location: Cleveland, Oh
Posts: 597
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

Toy list:
1995 GMC Yukon 4dr 2wd 5.7 Vortec conversion, AAM TracRite, Lincoln Mark VIII fan conversion
1979 Mako 23 CC
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