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1994 Chevrolet Astro 4.3L Hesitation, Surge
Posted to GM Driveability on 1/23/2007 15 Replies

This vehicle has very poor acceleration from a stop. It seems worse when cold, or when ignition is turned off and re-started. No codes, lean o\2 sensor high B L \integrater, Injector pulse width widens with load. Fuel pressure responds ok. But we cannot find a...

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Message Closed w/FIX

car Vehicle Data

1994 Chevrolet Astro

VIN 1GBEL19W7R
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / cmfi
Emissionsfed
SymptomsHesitation, Surge
OccursUnder Load, on Accel
Misc.Stumbles, Backfires,No Power
Message Closed w/FIX

car Vehicle Data

1994 Chevrolet Astro

VIN 1GBEL19W7R
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / cmfi
Emissionsfed
SymptomsHesitation, Surge
OccursUnder Load, on Accel
Misc.Stumbles, Backfires,No Power