Check Engine Light and Higher Than Normal Idle Cold on Honda Accord

Problem Description and Possible Solution

If the idle is higher than normal when the engine is cold and the Check Engine Light is on, the powertrain control module (PCM) may need a software update to fix the concern.

Problem Data
RepairPal Verified
Average mileage: 144,500 (104,000–180,000)
Exhaust & Emissions affected: 2.4L 4 Cylinder
2 model years affected: 2003, 2004
6 people reported this problem
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Cold start high iddle