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2002 Toyota Tacoma 2.7 engine started skipping bad and

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shakeing.160,00 miles.Engine light came on...
2002 Toyota Tacoma 2.7 engine started skipping bad and shakeing.160,00 miles.Engine light came on parts store checked,#3 coil pack bad or spark plugs,P300 code.I replaced spark plugs and fuel filter.Still running rough.Terry
Submitted: 1 year ago.Category: Toyota
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9/4/2016
Toyota Mechanic: carguy1, auto technician replied 1 year ago
carguy1
carguy1, auto technician
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Satisfied Customers: 25,882
Experience: 25 Years experience all makes and models.Nissan factory trained,Certified Subaru Tech
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Toyota Mechanic: carguy1, auto technician replied 1 year ago

I would replace the #3 coil, at the very least swap it for the one next to it and see if the misfire moves to that cylinder. It's possible there is something more going on, but typically the coils wear out and start to misfire. Swap #3 and see if it moves.

Also, sometimes when you replace the plugs it can disturb the coils and cause multiple misfires, but I suspect the computer just can't determine it's #3 because the new plugs are working so well.

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