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2004 Pontiac Grand Prix GT1 3.8L Cat monitor
Posted to GM Driveability on 9/25/2015 8 Replies

Good day all Masters/GM Tech,

This Grand Prix is eating me inside out for Cat Monitor will not run. I've try every drive cycle by the book to the letter, whether o% to 10-20% on the dynamometer or on the freeway. Could not get this puppy to pass the Cat monit...

8 Replies Received (View Replies)

  Related Documents & Media  2004 Pontiac Grand Prix GT1

 
Message Closed w/FIX

car Vehicle Data

2004 Pontiac Grand Prix GT1

VIN 2G2WP52284
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsCat Monitor
OccursAlways

Trouble Codes

P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
Message Closed w/FIX

car Vehicle Data

2004 Pontiac Grand Prix GT1

VIN 2G2WP52284
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsCat Monitor
OccursAlways

Trouble Codes

P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction