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Questions about stock air intake sensor replacement

Old 07-09-19, 09:40 AM
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Questions about stock air intake sensor replacement

My stock AIT sensor occasionally sets an error code (11) and the check engline light comes on, but eventually goes off again. I have a new, stock sensor. Because of its difficult location and mounting angle, it looks really hard to get a wrench or socket squarely on the old one, and even if I could get it it out, I'd have a tough time reaching in to get the new sensor threaded in. So, I think I'll have to unbolt the extension manifold to get at the sensor. I have a new gasket for that too. Do I need to use any silicone or gasket cement on the gasket? It looks like it is metal.

Thanks
Pete
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Old 07-10-19, 03:30 PM
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Nope, you don't need anything on that gasket. It will seal perfectly as it is.

If you're getting a code I would suspect either the sensor is flaky or the wiring or connector to it. Definitely give the connector and wiring a good once-over when you're in there.

Pulling the upper intake manifold is a rite of passage for owning an FD, it's something you may do more than you would think .

Dale
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Old 07-10-19, 04:05 PM
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Thanks Dale. I've had the connector off to check it and the wire and they were ok (but I will recheck them), so I figured it was the sensor. I've never had the UIM off before and am not looking forward to it. The car has only 57K miles and the engine is peachy.
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