Air senser?

Just replaced my air box, due to cracking and leaking in dirty air. with a cone air filter...works and sounds good but one problem, there was one senser that was in the box that obviously isnt on the cone filter (its not the mass flow senser) its a little one. So i kept the senser just incase, but the other end i just taped up..but now the check engine ligh comes on right when i turn on the car.. any fixes? how bad is it for the car?

Reply to
John P.
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That was your IAT (intake air temperature) sensor. The ECM uses it to control spark timing and also delays EGR operation when intake air temp is cold.

Could cause a few drivability issues including poor fuel mileage.

Steve

Reply to
Steve Mackie

Oh, and the fix is to put it back.

Reply to
Steve Mackie

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