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1994 Pontiac Grand Am SE 2.3L Excessive Emissions, Surge, Poor Fuel Economy, MIL Lamp on
Posted to GM Driveability on 4/12/2002 7 Replies

This car will intermittently run very rich and loose power while driving at city speeds. Sometimes when the trans just engages the TCC the engine losses power and puffs out black smoke out the tail pipe. We replaced the spark plugs and the oxygen sensor as the...

7 Replies Received (View Replies)

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car Vehicle Data

1994 Pontiac Grand Am SE

VIN 1G2NE5334R
Engine2.3 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI
SymptomsExcessive Emissions, Surge, Poor Fuel Economy, MIL Lamp On
OccursHot, Under Load, Cruise, Intermittently
Misc.4 Door

Trouble Codes

13oxygen circuit
45rich exhaust
Message Closed

car Vehicle Data

1994 Pontiac Grand Am SE

VIN 1G2NE5334R
Engine2.3 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI
SymptomsExcessive Emissions, Surge, Poor Fuel Economy, MIL Lamp On
OccursHot, Under Load, Cruise, Intermittently
Misc.4 Door

Trouble Codes

13oxygen circuit
45rich exhaust