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john aka eauto
john aka eauto, The Car Guy
Category: Mazda
Satisfied Customers: 16144
Experience:  ase tech,shop owner
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My 1997millenia is idling up on its own. Wants to go faster

Customer Question

My 1997millenia is idling up on its own. Wants to go faster in drive with my foot off of the accelerator. When i put it in park it idles up to 2 or 3 thousand rpm?
Submitted: 2 years ago.
Category: Mazda
Expert:  john aka eauto replied 2 years ago.

is the engine light on?

Expert:  john aka eauto replied 2 years ago.

is the engine light on?

Customer: replied 2 years ago.
Expert:  john aka eauto replied 2 years ago.

have you scanned it for diagnostic codes?

Customer: replied 2 years ago.
IAT OUT OF RANGE
BARO SENSOR CIRCUIT
ECT CIRCUIT
they dont seem related though im a shade tree, not ase.
Expert:  john aka eauto replied 2 years ago.

have you checked for vacuum leaks

Customer: replied 2 years ago.
None found. The problem isnt constant as in every time i drive. Sometimes i drive 7 minutes to work and its fine. It usualy runs fine for short periods but gets worse on longer drives.
Customer: replied 2 years ago.
You still there?
Customer: replied 2 years ago.
Hello
Expert:  john aka eauto replied 2 years ago.

what was the code number for the iat issue

Customer: replied 2 years ago.
P0110
aa1 open or short circuit
aa2 poor connection
aa3faulty IAT sensor
Expert:  john aka eauto replied 2 years ago.

follow the test chart we need to resolve that code its likely the culprit

Expert:  john aka eauto replied 2 years ago.

you get that?