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2010 Honda Accord EX-L 3.5L Misfire
Posted to Asian Driveability on 3/4/2020 12 Replies

Customer complained of rough running after about 20 min on highway. Duplicated concern after driving a little longer. Found Cyl 4 sparkplug carbon tracked. Replaced coil with new NGK unit and new NGK Iridium spark plug. Thought that would cure misfire, it ...

12 Replies Received (View Replies)

  Related Documents & Media  2010 Honda Accord EX-L

 
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car Vehicle Data

2010 Honda Accord EX-L

VIN 1HGCP3F84A
Engine3.5 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIntermittently

Trouble Codes

P0304Cylinder 4 Misfire Detected
P3400MDS Rationality - Bank 1
P3497MDS Rationality - Bank 2
Message Closed

car Vehicle Data

2010 Honda Accord EX-L

VIN 1HGCP3F84A
Engine3.5 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIntermittently

Trouble Codes

P0304Cylinder 4 Misfire Detected
P3400MDS Rationality - Bank 1
P3497MDS Rationality - Bank 2