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OBD codes 2-3-2 and 1-1-3, Oxygen sensor problem? 200 1991

posted by  Rolandp on  Sat May 19 05:02 CST 2007
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last visit: Wed Oct 15 17:36 CST 2014
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A check engine warning light came on last week. The on board diagnostic(OBD) shows code 2-3-2 and 1-1-3.

I looked for leaks between air filter and throttle. That is OK.
Next I measured resistance of the AMM and compared with two used spare ones. The AMM on the car compares well with one of the two spares. Car starts well.

I erased the codes, removed the fuse no. 6, put it back, and car ran good until this morning when check engine warning light came on again. Same 2 problem codes showed again.

This car has 75k km and oxygen sensor is original. When engine is hot I measured voltage with a digital multimeter at oxygen sensor terminal(green wire). I get 0.17 to 0.21volt.

I did read somewhere that it should alternate between 0.2 and 0.5 volt every 3 seconds.
Is it what the voltage should be?

Is a digital voltmeter suitable for this voltage measurement?

Should I go and buy a new oxygen sensor anyway?

I read that sensor is Bosch 13034. Looks expensive. Any substitute that can do the same work?

Thanks for any reply.






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New OBD codes 2-3-2 and 1-1-3, Oxygen sensor problem? [200][1991]
posted by  Rolandp  on Sat May 19 05:02 CST 2007 >


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