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June 2, 2012, 1:34 am
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cold fine, and runs fine warmed up. When warm and I put it in neutral =
(AT) the idle oscillates between 1800 and 2200 with about 1/2 second =
MAS was the first guess -- so I put a rebuilt mass airflow sensor assy =
in and same problem. Checked all the connections and vacuum - all OK. =20
Also took the throttle assy apart and cleaned all - helped the running =
but still oscillating. Cleaned Idle air motor, checked voltages and =
resistance for all sensors and also voltages coming from the computer, =
and all OK.
About out of ideas -- anyone have some thoughts on how to start =
Thanks in advance.