
2002 Oldsmobile Alero GX 2.2L MIL Lamp on
need some help from iatn techs. got car kind of late. p0420 had above listed parts prior to this visit checked fuel press. 59psi. smoke tested clean. checked vac. 22/23in map 8 to 10 at idle. no noise from timmig chain. grafed both o2s on modis they almost loo...
FIX posted 1/3/2008
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Message Closed w/FIX
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VIN | 1G3NK52F72 |
Engine | 2.2 L / 4 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/FIX
Vehicle Data
2002 Oldsmobile Alero GX
VIN | 1G3NK52F72 |
Engine | 2.2 L / 4 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |