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new o2 sensor still 0503????

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Old 10-20-2010, 01:30 PM
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new o2 sensor still 0503????
installed a new o2 sensor cleared the code took for a drive shut it down and when i started it up bam code is back...whats goin on?
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Old 10-21-2010, 11:56 AM
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any ideas? i'm going to test the harness, i was careful putting the sensor in so i dont think i damaged it.
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Old 10-21-2010, 12:01 PM
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p0503 is a speed sensor code?
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Old 10-21-2010, 12:14 PM
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Originally Posted by 99greddymax
p0503 is a speed sensor code?
no not OBD code 0503, 0503 using ecu diagnostics (long pulse/short pulse)
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Old 10-21-2010, 12:24 PM
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did you try testing the sensor with a volt meter? also what is the obd2 code that you're getting?
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