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1992 Pontiac Firebird 3.1L Excessive Emissions, Poor Fuel Economy
Posted to GM Driveability on 3/12/2011 22 Replies

The vehicle failed emissions do to high HC readings, over 500pph before and after repairs! What all been replaced so far is: fuel injectors,intake manifold gaskets,O2 sensor,Coolent sensor,map sensor,Fuel pump with filter,Digial egr valve,Distributor,cap rotor...

22 Replies Received (View Replies)

  Related Documents & Media  1992 Pontiac Firebird

 
Message Closed w/FIX

car Vehicle Data

1992 Pontiac Firebird

VIN 1G2FS23T5N
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFuel Injection / Multi Port Injection
EmissionsCA Emissions with Smog Pump
SymptomsExcessive Emissions, Poor Fuel Economy
OccursAlways

Trouble Codes

45Rich Exhaust
Message Closed w/FIX

car Vehicle Data

1992 Pontiac Firebird

VIN 1G2FS23T5N
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFuel Injection / Multi Port Injection
EmissionsCA Emissions with Smog Pump
SymptomsExcessive Emissions, Poor Fuel Economy
OccursAlways

Trouble Codes

45Rich Exhaust