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1987 Chev/GMC Truck S10 Blazer 2.5L Poor Idle Quality, Surge
Posted to GM Driveability on 6/6/1998

customer complained poor running , poor gas mileage (like everybody else , HA HA ) . no check engine lite on , base timing checked, ok . OTC 4000 ENHANCED plugged in , some reading erratic , injector pulse 99.9, battery voltage 19.4 volts, weird. manually chec...

 
Message Closed w/FIX

car Vehicle Data

1987 Chev/GMC Truck S10 Blazer

VIN [No VIN Available]
Engine2.5 L / 4 cyl
SymptomsPoor Idle Quality, Surge
OccursAlways

Trouble Codes

42est error
Message Closed w/FIX

car Vehicle Data

1987 Chev/GMC Truck S10 Blazer

VIN [No VIN Available]
Engine2.5 L / 4 cyl
SymptomsPoor Idle Quality, Surge
OccursAlways

Trouble Codes

42est error