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2001 Pontiac Grand Prix SE 3.8L MIL Lamp on
Posted to GM Driveability on 8/16/2004 9 Replies

this vehicle came in no [...] sensor was open and cat was 1oo% [...] pids look ok. #420 will [...] it possible replacement cat is bad?

9 Replies Received (View Replies)

  Related Documents & Media  2001 Pontiac Grand Prix SE

 
Message Closed w/FIX

car Vehicle Data

2001 Pontiac Grand Prix SE

VIN 1G2WP52KO1
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAfter Monitors Run

Trouble Codes

P0420Catalyst Efficiency Below Threshold (Bank 1)
Message Closed w/FIX

car Vehicle Data

2001 Pontiac Grand Prix SE

VIN 1G2WP52KO1
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAfter Monitors Run

Trouble Codes

P0420Catalyst Efficiency Below Threshold (Bank 1)