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Ted G.
Ted G., ASE Certified Technician
Category: Car
Satisfied Customers: 6091
Experience:  20 years auto repair experience, ASE Master Tech, Mechanical Failure consultant, Expert Witness
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Check engine light..it shows that the 3rd cylinder is misfiring

Customer Question

my car is chugging and the check engine light is on. I got it hooked up to the machine and it shows that the 3rd cylinder is misfiring. What can cause this?
Submitted: 9 years ago.
Category: Car
Expert:  Ted G. replied 9 years ago.
What type of Nissan please?
Customer: replied 9 years ago.
Reply to Ted G.'s Post: Altima
Expert:  Ted G. replied 9 years ago.

Could be plug, plug wire, injector or loss of compression in that cylinder. I don't think an injector unless there are lean codes also. If you have a compression tester you ight want to check that before replacing the plug and wire.

Customer: replied 9 years ago.
Reply to Ted G.'s Post: plugs, wires have been changed out and it still chuggs along some times not always, but when it does, it feelsl ike it is going to stall out.
Expert:  Ted G. replied 9 years ago.
Have you run a compression test yet?
Ted G. and 4 other Car Specialists are ready to help you
Customer: replied 9 years ago.
Reply to Ted G.'s Post: no
, but good idea
Expert:  Ted G. replied 9 years ago.

Good luck, let us know the results.