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Getting 2-3 OBD2 codes every few days...

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Old 11-03-2006, 06:29 PM
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Default Getting 2-3 OBD2 codes every few days...

My check engine light comes on, lasts for a night or so, then turns off after longer higher-speed drives.

The codes that I get when it's triggered are:

P0157
O2 Sensor Circ.,Bank2-Sensor2 Low Voltage

P1197
O2 Sensor Heater Circ.,Bank2-Sensor1 Electrical Malfunction

P0321
Ign./Distributor Eng.Speed Inp.Circ Range/Performance

Tips on what to replace [other than O2 sensor, obviously] are appreciated

Thanks!
Old 11-03-2006, 06:32 PM
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do both sides then run and rescan
Old 11-05-2006, 06:18 PM
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Default And test per service manual and/or change the engine speed (crank angle) sensor

... which will stop the car if it dies entirely.

Tom
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