
2010 Honda Accord EX-L 3.5L Misfire
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 ...
FIX posted 4/16/2020
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)12 Replies Received(Hide Replies)12 Replies Received
|
Message Closed
|
VIN | 1HGCP3F84A |
Engine | 3.5 L / 6 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Intermittently |
Trouble Codes
P0304 | Cylinder 4 Misfire Detected |
P3400 | MDS Rationality - Bank 1 |
P3497 | MDS Rationality - Bank 2 |
Message Closed
Vehicle Data
2010 Honda Accord EX-L
VIN | 1HGCP3F84A |
Engine | 3.5 L / 6 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Intermittently |
Trouble Codes
P0304 | Cylinder 4 Misfire Detected |
P3400 | MDS Rationality - Bank 1 |
P3497 | MDS Rationality - Bank 2 |