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1989 Buick LeSabre Support Question

1989 Buick LeSabre Support Question

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Question posted by kta1155 on May 16th, 2013

Cam Sensor Oxygen Sensor

Where are these two sensors located?

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Answer #1: Posted by jonmr001 on May 16th, 2013 8:26 AM
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jonmr001

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The cam sensor should be behind the water pump pulley to the left side of it. I uploaded a picture of that sensor below to give an idea on what to look for. This should be held on with like a 10 mm bolt

The oxygen sensor is going to be at eitheir of two places:

  • Upstream location is between the catalytic converter and the engine
  • Downstream location is between the catalytic converter and the tailpipe

This will be screwed into the exhaust similar to a spark plug with a wire coming out the top.

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