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2000 Oldsmobile Alero GX 2.4L Hesitation
this car has had 4 aftermarket cats installed. avging 1 1/2 months between code reappearing(p0420). 2 time there were missfire codes with the cat code. all scan reading seem normal. we have reprogramed the ecm also. any help would be greatly appreciated
FIX posted 3/29/2008
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Related Documents & Media | VIN | 1G3NK52T9Y |
| Engine | 2.4 L / 4 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation |
| Occurs | Hot |
Trouble Codes
| P0300 | Multiple Misfire Detected |
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed
Vehicle Data
2000 Oldsmobile Alero GX
| VIN | 1G3NK52T9Y |
| Engine | 2.4 L / 4 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation |
| Occurs | Hot |
Trouble Codes
| P0300 | Multiple Misfire Detected |
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Video