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Lincoln Town Car engine acts like it's misfiring when cold on acceleration.

doblick74doblick74 Posts: 1
edited July 2016 in Lincoln
My 95 TC (Big Granny) has 270K. Lately the engine acts like it's misfiring when I first put it in drive in the morning. At idle, it runs smooth with no problems, only on acceleration when it's first started. Once the car warms up, it runs fine. I have replaced the spark plugs (I used Motorcraft) and today installed new air filter and cleaned the MAF sensor. The car still has the issue. Where/what do I try next? Thank you in advance for your assistance.

Comments

  • willietcwillietc Posts: 3
    try cleaning the throttle body and check the throttle position sensor.
  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 64,490
    edited July 2016
    With that many miles, it could be so many things. I believe your car is OBD-II complaint, so hook up a scanner or code reader. Also check for vacuum leaks in your PCV hose, especially as it runs back to the firewall just before it makes its connection to the intake plenum.
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