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1992 Chevrolet ASTRO 4.3L Hesitation
Posted to GM Driveability on 7/13/1999

Ignition will jump a ST125 at spark plug wire. Fuel pressure is 58 on accel. Dead head is 85. Map & tps test ok. Injector on time is 7-8ms when acting up & goes to 11-12 ms when starts to run good. O2 sensor reads lean then goes rich after it overcomes pro...

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Message Closed w/FIX

car Vehicle Data

1992 Chevrolet ASTRO

VIN 1GNEL19W8N
Engine4.3 L / 6 cyl
SymptomsHesitation
OccursCold, Hot, on Accel
Misc.Awd Cpi
Message Closed w/FIX

car Vehicle Data

1992 Chevrolet ASTRO

VIN 1GNEL19W8N
Engine4.3 L / 6 cyl
SymptomsHesitation
OccursCold, Hot, on Accel
Misc.Awd Cpi