Thread: 1997 Villager check engine light is on
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Old 11-30-2005, 12:58 PM   #3
emd2423
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Re: 1997 Villager check engine light is on
I had a similar situation on my '99 Villager Estate. AutoZone pulled the codes:

P0135 - O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)
P0325 - Knock Sensor 1 Circuit Malfunction (Bank 1 or Single Sensor)

The P0325 came up twice and I understand the significance of this code based on reading other posts in this forum.

My question - Does the P0135 code refer to the O2 sensor before the catalytic converter and where is it located? Would a Haynes repair manual indicate where the O2 sensors are located?
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