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1998 Chevrolet Astro 4.3L Hesitation
Posted to GM Driveability on 6/22/2003 16 Replies

hi, i'm having a bucking problem with engine under load. it starts great, good idle, good fuel pressure koeo 61 psi, under load 57-60 psi. i've checked o2 they seem good, tcc shows it's operating correctly. any help with this would be great. thank-you.

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car Vehicle Data

1998 Chevrolet Astro

VIN 1GNDM19W0W
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsHesitation
OccursIntermittently
Message Closed

car Vehicle Data

1998 Chevrolet Astro

VIN 1GNDM19W0W
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsHesitation
OccursIntermittently