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I am trying to figure out what is wrong with my 2000 ...

Sent to Car Experts March 02 02:36 PM

I am trying to figure out what is wrong with my 2000 Mercury Cougar. It is an automatic transmission, and whenever I am excellerating between 1000-3000 RPM the engine shakes, coughes, skips, and sputters. Then, over 3000 RPM it seems to run fine. This only happens when the engine is under a load. Any suggestions?
Jon H in Arlington, VA

Customer (name blocked for privacy)
Reply
March 5 10:01 AM (2 days and 13 hours later)
         
Relist: I still need help.
Hi,

The only work that has been done is that I changed the spark plugs about 3 months ago. The problem started 1 month ago.

Yes, the check engine light is on.

It is a V6 engine.

Jon
Reply
March 5 10:01 AM (24 seconds later)
         
Relist: I still need help.
Hi,

The only work that has been done is that I changed the spark plugs about 3 months ago. The problem started 1 month ago.

Yes, the check engine light is on.

It is a V6 engine.

Jon
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