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2000 Chevrolet Blazer LS 4.3L Fuel trim
Posted to GM Engine on 3/24/2015 28 Replies

Car starts up runs fine indefinitely if just idling. When brought up to cruise starts surging and fuel trim start going negative very repeatedly. Then when the throttle is released it dies. Will start again after long crank and will idle badly. Fuel trims are ...

28 Replies Received (View Replies)

  Related Documents & Media  2000 Chevrolet Blazer LS

 
Message Closed w/FIX

car Vehicle Data

2000 Chevrolet Blazer LS

VIN 1GNDT13W2Y
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedFuel Trim
ConditionsVery Rich
Message Closed w/FIX

car Vehicle Data

2000 Chevrolet Blazer LS

VIN 1GNDT13W2Y
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedFuel Trim
ConditionsVery Rich