2000 Pontiac Sunfire GT 2.4L Surge, MIL Lamp on
This 2000 pontiac Sunfire came in with a ses light on, stored code p0420 - cat efficiency failed. Freeze frame showed it happend at idle. The o2 sensors are good. The cat was replaced 4000 kms ago. The car does not idle smooth, surges slightly. Vacuum is stead...
FIX posted 10/28/2008
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Message Closed w/FIX
Vehicle Data2000 Pontiac Sunfire GT
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2000 Pontiac Sunfire GT
VIN | 3G2JD12T3Y |
Engine | 2.4 L / 4 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Surge, MIL Lamp On |
Occurs | Idle |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |