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1995 Chevrolet K2500 Suburban 7.4L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Misfire
Posted to GM Driveability on 6/23/2010 11 Replies

This Suburban when started cold or just setting for an hour or so, will run bad. It runs like the egr is open. Surges up and down backfires, rough idle. No codes and the funny thing is when it is having this problem the data stream has some issues. Engine cool...

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car Vehicle Data

1995 Chevrolet K2500 Suburban

VIN 1GNGK26N9S
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / TBI
EmissionsNot OBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Cuts Out, Misfire
OccursCold, Intermittently
Message Closed w/FIX

car Vehicle Data

1995 Chevrolet K2500 Suburban

VIN 1GNGK26N9S
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / TBI
EmissionsNot OBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Cuts Out, Misfire
OccursCold, Intermittently