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99 Yukon 5.7l
99 Yukon, Runs Great, But Misfires When At Low Throttle Settings At Hiway Speeds. No Codes, Recent Major Tune Up. 170,000 Miles.
Asked by
Gordon777
·
1 ANSWER
1999
GMC YUKON
VIDEO
Topdon OBD2 Scanner Review - This thing rocks
Instructional repair video
GUIDE
Misfire
An engine tune up is necessary at manufacturers recommended intervals to maintain proper engine run-ability. A misfiring engine will cause, low gas mileage, low power output...
MOTOT
Ihave Tune Up My 1991 Jimmy Gmc Slei Put Pulg Wire And Change The Cap Rotor And Fuse Filter But It Keep Shut Off Why Drive Or Sit Still What...
Asked by
JOHNATHAN OLIVER
·
1 ANSWER
1991
GMC JIMMY
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