1989 Mercury Cougar stalls when I accelerate

Tiny
2CP-ARCHIVES
  • MEMBER
  • 1989 MERCURY COUGAR
  • V8
  • 2WD
  • AUTOMATIC
  • 135,000 MILES
1989 Mercury Cougar mileage: 135,000. When you drive away from a stop sign or slow down to make a turn it will sometimes die when you begin to accelerate. It acts as if you have shut the key off, no warning or sputtering. We have replaced the ignition module and throttle control sensor. It does not do it all the time so they are not able to get the car to act up when they put it on their computer system. The mechanic said only thing left to do is to start replacing parts, which could become very expensive. Do you have any ideas or answers? Thank you for your time.
Friday, November 19th, 2010 AT 11:55 PM

1 Reply

Tiny
2CP-ARCHIVES
  • MEMBER
  • 4,540 POSTS
If a major tune-up has not been done recently, this could be the cause of your problem. Replace the spark plugs, plug wires, fuel and air filters, etc. Also, replace the oxygen sensor. In addition, service the fuel injection system. Clean the carbon deposits from the throttle bore and idle passages.
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Friday, November 19th, 2010 AT 11:58 PM

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