whatcould be causing the misfire

Asked by Nov 05, 2015 at 03:17 PM about the 2002 Lincoln LS V8

Question type: Maintenance & Repair

I have a Lincoln LS V8 2002. it would misfire at 45mph and stop misfiring at 50mph. I changed the spark plugs and also a cracked valve cover. the car idled fine for 45 min. as soon as I started to drive the car, I got about 50 feet and it started to misfire really bad. what would cause this problem?

3 Answers

12,240

You may have a crack in the ignition coil ... or Plug wires .... Open the hood when it's dark .. start the engine and have a friend Rev it up ..and you can sometimes see where the sparking is coming from

1 people found this helpful.
103,525

I would say you have a bad coil. There is a coil on each cylinder and if they are going bad you will get a misfire. Once it gets bad enough the check engine light will come on and tell you which one it is. Never wash a Ford Triton engine as the water ruins coils.

1 people found this helpful.
64,145

Likely a bad coil or a plug wire boot has a small hole burned through it due to the high voltage to the spark plugs. If it hasn't been done I would replace all spark Plugs, plug boots and coils. Make sure you use genuine Ford coils or you risk having more problems. Some of the after market coils don't work for long in Fords.

Your Answer

LS

Looking for a Used LS in your area?

CarGurus has 329 nationwide LS listings starting at $2,400.

ZIP:

Lincoln LS Experts

  • #1
    Ionatan Ion
    Reputation
    1,270
  • #2
    Tom Demyan
    Reputation
    1,000
  • #3
    Jonathon Sheffield
    Reputation
    790
View All

Related Models For Sale

Used Ford Mustang
270 Great Deals out of 37,082 listings starting at $2,150
Used Lincoln Town Car
24 Great Deals out of 1,358 listings starting at $1,995
Used Chevrolet Impala
397 Great Deals out of 25,595 listings starting at $799
Used Cadillac CTS
173 Great Deals out of 8,000 listings starting at $2,150
Used Lincoln Continental
22 Great Deals out of 2,780 listings starting at $21,995
Used Honda Accord
424 Great Deals out of 101,059 listings starting at $1,200
Used Acura TL
72 Great Deals out of 3,428 listings starting at $799
Used Chevrolet Camaro
224 Great Deals out of 28,922 listings starting at $3,900
Used Lincoln Navigator
83 Great Deals out of 3,883 listings starting at $1,995

Used Cars For Sale

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.