Rx300 misfire
12-27-14, 08:39 AM
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Rx300 misfire
Huge problem, my 1999 lexus rx300 first threw a P1135 following a P0125, I tested the sensor and it was open at the heater circuit then then I was waiting the new part in the mail and during that time it kept running rough and then it threw a P0300, P0301, P0305, P0303. I was thinking that the PCM cannot monitor A/F ratio without the sensor so maybe the injector base pulse width was good enough. The misfire is are on bank 1, same as the bank 1 A/F sensor. What do you guys think?
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rmuthiah
ES - 1st to 4th Gen (1990-2006)
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12-01-19 11:24 AM