i changed my sparkplugs, and it is still doing the same thing, now whats my next thing?

Asked by Aug 06, 2015 at 08:55 PM about the 2002 Lincoln LS V8

Question type: Maintenance & Repair

the idol is getting bad, it wont get up n go, it said I have a misfire cylinder 2. and im putting 100% gas just not whats required.

2 Answers

77,735

Clean throttlebody and MAF, put in a can of SeaFoam in the fuel tank. You may have injectors starting to plug up, if the SeaFoam doesn't work you may have to replace the injector on number 2.

56,565

If you have coils on each of the spark plugs swap the coil on #2 with another cylinder. See if the misfire follows the coil. If so that coil is bad. If not, compression test cylinder #2. If it tests low or zero you've got a valve or ring problem on that cylinder. A major repair. If you've got good compression on #2 check the fuel injector. HTH. -Jim

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