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1999 GMC Sonoma SL 2.2L Misfire
Posted to GM Driveability on 8/6/2002 4 Replies

THIS IS MY FIRST TIME SO BEAR WITH ME. THE TRUCK HAS A MISS UNDER LIGHT TO MODERATE ACCELERATION, WORSE IN 2ND AND 3RD GEAR @ APPROX. [...] RPM. SCANNER SHOWS MISFIRE COUNTER OF 12-14 COUNTS ON #1 CYL. AND AS HIGH AS 84 ONCE AND NO HISTORY MISFIRES RECORDED. I...

4 Replies Received (View Replies)

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Message Closed w/Summary

car Vehicle Data

1999 GMC Sonoma SL

VIN 1GTCS1446X
Engine2.2 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI / MULTIPORT
EmissionsOBD-II Compliant
SymptomsMisfire
OccursUnder Load, on Accel, Intermittently
Message Closed w/Summary

car Vehicle Data

1999 GMC Sonoma SL

VIN 1GTCS1446X
Engine2.2 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI / MULTIPORT
EmissionsOBD-II Compliant
SymptomsMisfire
OccursUnder Load, on Accel, Intermittently