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1987 Pontiac Fiero SE 2.5L Poor Idle Quality, Hesitation, Surge, Stall, Poor Fuel Economy
Posted to GM Driveability on 7/5/2005 3 Replies

We inherited this problem vehicle after no one else in town could repair it. We got it with a bad engine and we installed the Jasper. Problem is surging and all speeds. The O2 stays rich, pulse width goes to .9ms at idle and only about 1.1ms when reving engine...

3 Replies Received (View Replies)

  Related Documents & Media  1987 Pontiac Fiero SE

 
Message Closed w/FIX

car Vehicle Data

1987 Pontiac Fiero SE

VIN 1G2PF11ROH
Engine2.5 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI
SymptomsPoor Idle Quality, Hesitation, Surge, Stall, Poor Fuel Economy
OccursAlways

Trouble Codes

45rich exhaust
Message Closed w/FIX

car Vehicle Data

1987 Pontiac Fiero SE

VIN 1G2PF11ROH
Engine2.5 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI
SymptomsPoor Idle Quality, Hesitation, Surge, Stall, Poor Fuel Economy
OccursAlways

Trouble Codes

45rich exhaust