is the coil spring suppose to be tight on the spark plug?

Asked by GuruYB578 Mar 05, 2018 at 01:39 AM about the 2001 Mercury Grand Marquis GS

Question type: Maintenance & Repair

2 Answers

F_O_R answered 6 years ago

If the connection from coil to plug is loose there will be arcing and probably misfires.

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GuruYB578 answered 6 years ago

it is misfiring.had a extra coil and plug tested it sitting on firewall and it sparked,installed no spark.

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