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Reply To: 2003 corolla code p0304 "misfire #4 cyl"

Home Forums Stay Dirty Lounge Service and Repair Questions Answered Here 2003 corolla code p0304 "misfire #4 cyl" Reply To: 2003 corolla code p0304 "misfire #4 cyl"

#915075
Dave lawson
Dave lawson
Participant

I swapped coils 3 & 4 and started the car. initially it ran rough at idle but different than before so I was hopeful the coil was bad. however after revving the engine to produce the engine code when I got down to idle again the engine died, wont restart and did not produce a code. ill give it another try before moving to another coil to get it started.

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