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1993 Chevrolet K2500 Suburban 7.4L Poor Idle Quality
Posted to GM Driveability on 3/29/2001

This vehicle has progressively developed a lean roll or "miss" condition especially cold to warm-up in gear at idle. The CO level in front of the cat is at .2% at the highest. No problems felt at cruising speed. All sensors and actuators have normal readings a...

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car Vehicle Data

1993 Chevrolet K2500 Suburban

VIN 1GNGK26NXP
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / TBI
EmissionsOBDI, CA Emissions
SymptomsPoor Idle Quality
OccursIntermittently
Message Closed w/FIX

car Vehicle Data

1993 Chevrolet K2500 Suburban

VIN 1GNGK26NXP
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / TBI
EmissionsOBDI, CA Emissions
SymptomsPoor Idle Quality
OccursIntermittently