Poor Gas Mileage
RE: Poor Gas Mileage
A GM scanner is not necessary, nor is having your own scanner. Autozone, Advanced, etc will read your codes for free.
A scanner (not necessarily a GM one) is necessary to diagnose O2 sensors however.
A scanner (not necessarily a GM one) is necessary to diagnose O2 sensors however.
Junior Member
Joined: Nov 2006
Posts: 270
From: Northport, Long Island, NY
RE: Poor Gas Mileage
thats cool i had no idea that autozone and advanced read them for free, kyle only problem is there aren't many on long island. what about pepboys, autobarn do they.
actually i just found an autozone near by thanx
actually i just found an autozone near by thanx
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