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1989 Pontiac 6000 2.8L No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall,
Posted to GM Driveability on 3/3/2003 4 Replies

when car is in failure, it is like it is starving for fuel, it has good spark and fuel pressure when it dies.

one odd thing i have noticed is that the engine will continue to run good if the key is held in start mode. I am thinking ignition switch or wireing ...

4 Replies Received (View Replies)

 
Message Closed w/FIX

car Vehicle Data

1989 Pontiac 6000

VIN 1G2AF551W4
Engine2.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / efi port
EmissionsUS EPA , FOR USE IN CANADA
SymptomsNo Start, Poor Idle Quality, Hesitation, Surge, Cuts Out, Stall,
OccursCold, Hot, Under Load, on Accel, Idle, Intermittently
Misc.Has Latest Prom Update

Trouble Codes

33map sensor or curcuit to hi did it with two diffrent map sensorswith old computer and and after computer and prom update
35IAC problem only showed up once
Message Closed w/FIX

car Vehicle Data

1989 Pontiac 6000

VIN 1G2AF551W4
Engine2.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / efi port
EmissionsUS EPA , FOR USE IN CANADA
SymptomsNo Start, Poor Idle Quality, Hesitation, Surge, Cuts Out, Stall,
OccursCold, Hot, Under Load, on Accel, Idle, Intermittently
Misc.Has Latest Prom Update

Trouble Codes

33map sensor or curcuit to hi did it with two diffrent map sensorswith old computer and and after computer and prom update
35IAC problem only showed up once