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HondaPlatinum
HondaPlatinum, A Technician
Category: Honda
Satisfied Customers: 11332
Experience:  13 year honda platinum level
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Misfire cyl 1&3, replaced coil packs, plugs, still throws

Customer Question

misfire cyl 1&3, replaced coil packs, plugs, still throws misfire codes 301&303
Submitted: 6 months ago.
Category: Honda
Expert:  Kurt Kennedy replied 6 months ago.
Sorry you are still having misfire codes in the honda! Is this a misfire you can feel all the time, or is this a misfire that happens as you are driving under load?
Customer: replied 6 months ago.
All the time on idle, but runs smooth after 2000 rpm approx
Expert:  Kurt Kennedy replied 6 months ago.
Someones just one cylinder misfiring can set a code for multiple cylinders. Since the coils are easy to get to, with the car running, unplug the coil in cylinder 1 and see if there is any change in the idle, and do the same to cylinder 3 and let me know what outcome of that please. Thanks