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1988 Chevrolet Blazer Scottsdale 5.7L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, MIL Lamp on
Posted to GM Driveability on 2/9/2010 19 Replies

Vehicle came in with a idle surge & power loss. Fuel pressure is okay, timing is okay, engine is mechanically sound. When the map sensor is disconnected the idle levels out and has better power. Tried new map sensor, did not help. plugged in new ecm now the c....

19 Replies Received (View Replies)

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car Vehicle Data

1988 Chevrolet Blazer Scottsdale

VIN 1GNEV18K3J
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / tbi
Emissionsus fed
SymptomsPoor Idle Quality, Hesitation, Surge, Cuts Out, Stall, MIL Lamp On
OccursAlways
Message Closed w/FIX

car Vehicle Data

1988 Chevrolet Blazer Scottsdale

VIN 1GNEV18K3J
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / tbi
Emissionsus fed
SymptomsPoor Idle Quality, Hesitation, Surge, Cuts Out, Stall, MIL Lamp On
OccursAlways