The car makes a loud hum noise from the air intake and the motor starts to shake and run rough at 4000 RPM
Feb 14, 2010 at 8:28 PM
2001 Mercury Cougar Noise coming from airbox
2001 MERCURY COUGAR
TA MACHINIST
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have you found the problem,mine is starting to do the same thing [quote:73bd934eec="TA machinist"]Engine Mechanical problem
2001 Mercury Cougar 6 cyl Two Wheel Drive Automatic 85,000 miles
The car makes a loud hum noise from the air intake and the motor starts to shake and run rough at 4000 RPM[/quote:73bd934eec]
2001 Mercury Cougar 6 cyl Two Wheel Drive Automatic 85,000 miles
The car makes a loud hum noise from the air intake and the motor starts to shake and run rough at 4000 RPM[/quote:73bd934eec]
Feb 26, 2010 at 8:18 AM
replace idle air control valve...if not it one of the sensors on or around intake or throttle body could be going bad...hope it helps if not already fixxed...
Mar 7, 2010 at 10:37 PM
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