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1991 GMC postie van 2.5L Hesitation, Cuts out, Stall
Posted to GM Driveability on 2/1/2002 12 Replies

idles ok but if you try to rev it quickly off idle, it'll act like it's hitting a rev limiter (no it doesn't have one at 2200 rpm). if you go slow it'll accel ok, but backfire on decel. according to scanner air/fuel never changes off 14.6, how does it get the ...

12 Replies Received (View Replies)

 
Message Closed w/FIX

car Vehicle Data

1991 GMC postie van

VIN 1GBCS10A3M
Engine2.5 L / 4 cyl
DeliveryFI / tbi
Emissionsnormal
SymptomsHesitation, Cuts Out, Stall
OccursUnder Load, on Accel, Intermittently
Misc.Gruman Van
Message Closed w/FIX

car Vehicle Data

1991 GMC postie van

VIN 1GBCS10A3M
Engine2.5 L / 4 cyl
DeliveryFI / tbi
Emissionsnormal
SymptomsHesitation, Cuts Out, Stall
OccursUnder Load, on Accel, Intermittently
Misc.Gruman Van