2005 s60 2.5t multiple cyliner misfires. changed plugs, cylinder 2 still misfiring and running rich. codes are not accessible by mechanic so its off to the dealer I go unless you have an idea. Thanks

kevvymack
0

Asked by kevvymack Apr 25, 2013 at 12:25 PM about the 2005 Volvo S60 2.5T

Question type: Maintenance & Repair

plugs were all changed but ECU codes are not accessible by my mechanic. 3 cylinders were misfiring and it happened real quickly. Standing at a red light went to accelerate and engine started shaking and running real rough. o2 readings ok so cat convert seems ok. after plugs changed cylinder 2 still misfiring and engine running rich. Mechanic said need to take to dealer to read deep ECU codes rather than throw $ in parts at it. Any Help here

1 Answer

Tom Demyan
90,505

Time to swap out your bad coils. Misfires are mainly due to faulty coils, not spark plugs. Have your mechanic check his work on his connections as well.

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