Mechanics

FORD THUNDERBIRD VACUUM LEAK PROBLEM

1996 Ford Thunderbird • 120 miles

Hello. The problem is when the car is idling, say at a stoplight. The engine idles rough and the volt gage dips and the car almost dies. This occurs several times while the car is not moving. It will dip then recover and so on. I have a check engine light activated as well. I sense a vacuum leak as occasionally I smell exhaust fumes. I had the codes read and it says running lean on bank 1 & bank 2. Thanks for the help!
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Guest
October 16, 2012.




Lean running conditions are usually due to vacuum leaks so you need to have that checked and rectified. It is also causing the erratic idling.
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KHLow2008
Oct 16, 2012.
Check your fuel pressure and next time send the codes to us. Check for vacuum leak check condition of battery as well clean throttle plate and iac on both sides with choke cleaner.

Hmac300
Oct 16, 2012.

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