97 SE, check engine light, code P135 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 01-01-2004, 04:33 PM   #1
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Default 97 SE, check engine light, code P135

I have a 97 SE, 108K miles. Yesterday the check engine light came on. My Actron OBD II tester pulled code P135. The book says "O2 sensor heater circuit malfunction Bank 1 Sensor 1".

Does this mean I need to replace O2 sensor? If so, is it dealer item? Where exactly is it located?

Thanks in advance.

Mike
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Old 01-04-2004, 11:26 PM   #2
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Theres data in techinfo look herehttp://www.bonnevilleclub.com/techinfo/?article=49
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Old 01-05-2004, 02:08 AM   #3
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Is the other O2 labeled 0 or 2? I thought the manifold sensor was #0, and the cat sensor was #1? I might be wrong here.

Ooops.....just checked Techinfo. Damn double sensors. It'* 1 and 3. The #1 is in the rear exhaust manifold. Looks like a spark plug. Sticking straight up. It still could be a wire, but most likely the sensor itself.

Buy it from www.gmpartsdirect.com, and stick with AC Delco. No Bosch for sure.
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