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1997 Chevrolet Blazer LS 4.3L Excessive Emissions, Poor Idle Quality
Posted to GM Driveability on 8/14/2010 20 Replies

All was running great after previous repairs,, just started running rough,, I removed EGR and cleaned pintle area still rough,, I noticed fuel cell value at idle is 17, off idle drops to 2 then progressively goes up with throttle. is this normal

at idle

FT c...

20 Replies Received (View Replies)

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car Vehicle Data

1997 Chevrolet Blazer LS

VIN IGNDT13W5V
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / VORTEC CFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality
OccursAlways
Message Closed w/FIX

car Vehicle Data

1997 Chevrolet Blazer LS

VIN IGNDT13W5V
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / VORTEC CFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality
OccursAlways