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1989 Pontiac Firebird 2.8L Excessive Emissions, MIL Lamp on
Posted to GM Driveability on 2/2/2008 13 Replies

Starts good,runs great until it goes into closed [...] when both long&short term fuel trims will drop from 126 to [...] comes on,sets code 45,system goes back into open loop&the whole process starts all over [...]'t know why,but vehicle also has a cold start i...

13 Replies Received (View Replies)

  Related Documents & Media  1989 Pontiac Firebird

 
Message Closed w/FIX

car Vehicle Data

1989 Pontiac Firebird

VIN 1G2FS21S7K
Engine2.8 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI / MPFI
EmissionsOBD1/US FED
SymptomsExcessive Emissions, MIL Lamp On
OccursAlways, Idle, in Closed Loop
Misc.Mpfi/No Air Pump

Trouble Codes

45system rich
Message Closed w/FIX

car Vehicle Data

1989 Pontiac Firebird

VIN 1G2FS21S7K
Engine2.8 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI / MPFI
EmissionsOBD1/US FED
SymptomsExcessive Emissions, MIL Lamp On
OccursAlways, Idle, in Closed Loop
Misc.Mpfi/No Air Pump

Trouble Codes

45system rich