Honda
Accord
8

PCM update to fix misfire and false CEL on Honda Accord

Problem Description and Possible Solution

The PCM can misinterpret misfire data and set a false Check Engine (MIL) light requiring a PCM update to repair.

Problem Data
RepairPal Verified
Average mileage: 78,000 (37,000–132,000)
Exhaust & Emissions affected: 3.0L V6
5 model years affected: 2003, 2004, 2005, 2007, more2012
8 people reported this problem
Comments
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Engine misfire...diagnosed by autozone. Code p302. Engine started to hesitate and miss shortly after gas fill-up. Changed spark plug and ignition coil on number 2 and all was well after that.. happened again at 72,00 miles. Hate this car and would never again own a Honda.