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1997 Buick Century Limited 3.1L Hesitation, Surge, Cuts out, Stall, Misfire
Good afternoon all. I've got me a little gem that has reduced me to throwing parts at it. What it's doing is it bucks and backfires when moderate throttle is applied and then it'll do it at very little throttle and somtimes at idle. Then it becomes grey diffic... FIX posted 7/1/2010 18 Replies Received (View Replies)18 Replies Received (Hide Replies)
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Message Closed w/FIX
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18 Replies Received
18 Replies Received
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Vehicle Data| VIN | 2G4WY52M7V |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation, Surge, Cuts Out, Stall, Misfire |
| Occurs | Hot, Under Load |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Video