WHAT WOULD CAUSE MY MOTOR TO SHAKE

1999 Ford F-150

Tiny

azfirewomen

June, 12, 2012 AT 11:04 PM

Under load thr motor shakes but smooths out about 65mph. There is a hissing sound at the back of the motor and the service motor soon light came on.

2 Answers

Tiny

ASEMaster6371

June, 12, 2012 AT 11:16 PM

There is an elbow for the pcv valve on the back of the throttle body that collapses and causes this condition.

Roy

Tiny

rasmataz

June, 12, 2012 AT 11:40 PM

Sounds like Mr. Roy is on the money here-Excessive false air leakage-Scan the computer for code/s, lets see what it has to say

Please login or register to post a reply.

Brake Light Bulb Replacement