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1996 Pontiac Grand Am SE 2.4L Catalyst Monitor
Posted to GM Driveability on 9/27/2006 11 Replies

hello everyone , hope you can direct us to a repair or info on how to determine a solution to a catalyst monitor that wont run . vehicle came in with 4 codes , rear o2 slow, cat low efficiency, knock sensor activity , rich bank 1, weve got it all repaired and ...

11 Replies Received (View Replies)

  Related Documents & Media  1996 Pontiac Grand Am SE

 
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car Vehicle Data

1996 Pontiac Grand Am SE

VIN 1G2NE12T3T
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsCatalyst Monitor
OccursWill Not Run

Trouble Codes

P0139Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response
P0172Fuel System Too Rich (Bank 1)
P0325Knock Sensor 1 Circuit Malfunction
P0420Catalyst Efficiency Below Threshold (Bank 1)
Message Closed w/FIX

car Vehicle Data

1996 Pontiac Grand Am SE

VIN 1G2NE12T3T
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsCatalyst Monitor
OccursWill Not Run

Trouble Codes

P0139Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response
P0172Fuel System Too Rich (Bank 1)
P0325Knock Sensor 1 Circuit Malfunction
P0420Catalyst Efficiency Below Threshold (Bank 1)