
2001 Buick Century Limited 3.1L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Misfire
this car idles bad and when you try to accelerate it back fires pops and falls flat, the cat converter was completly melted down. i checked data with snap on scanner all seemed ok except st and lt were in neg at idle maf was at 13 grms per sec which i thought ...
FIX posted 1/23/2013
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Message Closed
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VIN | 2G4WY55J51 |
Engine | 3.1 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation, Cuts Out, Misfire |
Occurs | Always |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
P1374 | CKP Sensor High To Low Resolution Frequency Correlation |
Message Closed
Vehicle Data
2001 Buick Century Limited
VIN | 2G4WY55J51 |
Engine | 3.1 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation, Cuts Out, Misfire |
Occurs | Always |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
P1374 | CKP Sensor High To Low Resolution Frequency Correlation |