Ford Aerostar

520 messages, Last post on Nov 16, 2009 at 4:57 PM

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#455 of 520 Re: 96 Aerostar XLT 4.0L Ext--Howling intake noise! [hawk54] by garbadee Aug 26, 2006 (8:04 am)
Replying to: hawk54 (Jul 14, 2001 7:29 pm) I have the same problem. It occurs even without the AC on but it does generally happen when the engine is hot and at low RPM (idle). Tried cleaning the Mass Airflow Detector wire with no luck. Took the intake off to bypass the filter, Mass Airflow Detector, and the entire plastic air intake hose. Still had the whine until the engine stalled (apparently if the Mass Airflow Detector is bypased the engine will not run). Any thoughts would be apprecaited because thie is very loud and annoying. Still runs great other than noise. 97 Aerostar 4.0L w/93k mlies.

#455 of 520: Re: 96 Aerostar XLT 4.0L Ext--Howling intake noise! [hawk54] by garbadee; Aug 26, 2006 (8:04 am)

Replying to: hawk54 (Jul 14, 2001 7:29 pm)

I have the same problem. It occurs even without the AC on but it does generally happen when the engine is hot and at low RPM (idle). Tried cleaning the Mass Airflow Detector wire with no luck. Took the intake off to bypass the filter, Mass Airflow Detector, and the entire plastic air intake hose. Still had the whine until the engine stalled (apparently if the Mass Airflow Detector is bypased the engine will not run). Any thoughts would be apprecaited because thie is very loud and annoying. Still runs great other than noise. 97 Aerostar 4.0L w/93k mlies.