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Engine Controls - MAF Sensor Value Incorrect Reading

SOURCE: Honda Service News

TITLE: MAF Sensor Value Wrong With Generic Scan Tool

APPLIES TO: 03-05 Accord 4-cylinder

SERVICE TIP:

Troubleshooting a '03-05 Accord L4 with a generic scan tool? Here's something you need to know:
A glitch in the PCM software causes a wrong output value for the mass air flow (MAF) sensor. To fix this problem, you need to update the PCM. Refer to S/B 01-023.