po codes po132 & po138
05-25-2011, 07:13 AM
#1
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Model: Cherokee
po codes po132 & po138
I replace sensors 3 time already with oem parts, works fine for about two weeks then ck engine come back on, what could be my problem for the sensors to keep going bad .
thanks for any replys
thanks for any replys
Last edited by 2000 laredo; 05-25-2011 at 07:23 AM.
05-25-2011, 08:46 AM
#2
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Year: 1995
Model: Grand Cherokee
Engine: 4.0 with all of the noise and clatter
You need a scan tool to properly diagnose the problem by following a troubleshooting tree. As you can see, throwing new and expensive sensors at it is not fixing the problem. P0132= Check the wiring (green/red wire) between the o2 sensor and PCM for a short to voltage. P0138= Check wiring (black/dark green) between o2 sensor and PCM for shorts to voltage.
Last edited by Bustedback; 05-25-2011 at 09:27 AM.
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