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1998 GMC C1500 Sierra SL 4.3L Cuts out
Posted to GM Driveability on 7/20/2005 10 Replies

Hi guys, 4.3l gmc that has slight chug when light throttle applied, engine speed around 2300 rpm @ 25mph, no codes, timing varies between 11 and 40, tps smooth, cleaned maf and throttle plate, no misfires, egr duty cycle at 50% and actual and desired positions...

10 Replies Received (View Replies)

  Related Documents & Media  1998 GMC C1500 Sierra SL

 
Message Closed w/FIX

car Vehicle Data

1998 GMC C1500 Sierra SL

VIN 1GTEC14W9W
Engine4.3 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI / csfi
EmissionsOBD-II Compliant
SymptomsCuts Out
OccursLight Throttle Under Load
Message Closed w/FIX

car Vehicle Data

1998 GMC C1500 Sierra SL

VIN 1GTEC14W9W
Engine4.3 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI / csfi
EmissionsOBD-II Compliant
SymptomsCuts Out
OccursLight Throttle Under Load