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O2 Sensors.

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Old 08-24-2008, 08:11 PM
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Default O2 Sensors.
ok, I replaced the stock o2 sensors today with bosch's. but my check engine light is still on WTF? anyways, even if they go bad again...which i heard they mite.... will it hurt my performance?
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Old 08-24-2008, 08:51 PM
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Have you actualy pulled the codes?
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Old 08-24-2008, 10:52 PM
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yeah. and it came up as two bad o2 sensors (bank1 and 2)so i changed them today.
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Old 08-24-2008, 11:16 PM
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FWIW, as crazy as our cars are with the PCM's and stuff.....my engine/PCM will not run properly with Bosch 02's. I have no idea why, but if I put two brand new Bosch's in, the engine runs horrible, when I put AC Delco's in the engine is perfect.
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