Engine hesitates or misfires

Tiny
JRELIHAN3@YAHOO.COM
  • MEMBER
  • 2001 LINCOLN TOWN CAR
  • V8
  • 2WD
  • AUTOMATIC
  • 99,083 MILES
Engine hesitates / misses at speeds between 40 and 45 mph. In all other aspects, car performs as it should
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Saturday, July 11th, 2009 AT 5:13 PM

2 Replies

Tiny
KASEKENNY
  • EXPERT
There are a number of things that can cause misfires or hesitation, but the basic items are injectors, fuel pressure, spark plugs, and vacuum leaks.

So, I will attach all this info here, but we should start with pulling the plugs and inspecting them.

I will attach a chart that will help tell us if they are an issue.

https://youtu.be/4ktw1X4W_-k

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

https://www.2carpros.com/articles/how-to-change-spark-plugs

https://www.2carpros.com/articles/how-to-test-a-fuel-injector

Please pull the plugs and see what they look like. If they are okay then run through the rest of this info and we can go from there.

Thanks
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Tuesday, April 19th, 2022 AT 6:05 PM
Tiny
JRELIHAN3@YAHOO.COM
  • MEMBER
Changed the plugs/air filter/etc. Worked wonders! The back plugs were tough to get out/in but all in all a satisfying job. Thanks so much for your help.
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Tuesday, April 19th, 2022 AT 6:05 PM

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