Accord L4-2.4L (2005)
PROM - Programmable Read Only Memory: All Technical Service Bulletins
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.