P0138 help
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04-09-2013, 12:50 PM
Join Date: Dec 2010
Location: Jerzey
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P0138 help
The check engine light came on months ago. Put new O2 in around December. In mid Feb. check engine came on again. Brought it back and got new one ,installed 2 weeks ago . Now the check engine light came back on AGAIN with the P0138 code displaying . What else can I do , It's driving me nuts. Any help will be appreciated
2003 1500 Ram Van 48k 5.9 orig. owner
2003 1500 Ram Van 48k 5.9 orig. owner
P0138 1T: O2 (B1 S2) Circuit Short to Voltage Conditions: Engine started; engine runtime more than 4 minutes, system voltage
over 10.5v, ECT Sensor more than 180°F, and the PCM detected the O2 signal was more than 1.50v for 3 seconds. Possible
Causes: O2 signal tracking (wet/oily) in connector due to short from signal to power circuit O2 signal circuit is open O2 ground
circuit is open O2 is damaged or it has failed PCM has failed.
over 10.5v, ECT Sensor more than 180°F, and the PCM detected the O2 signal was more than 1.50v for 3 seconds. Possible
Causes: O2 signal tracking (wet/oily) in connector due to short from signal to power circuit O2 signal circuit is open O2 ground
circuit is open O2 is damaged or it has failed PCM has failed.