Honda Accord: Component Location Index
Eighth generation (2008–2012) / Honda Accord MK8 2008-2012 Service Manual / Fuel and Emissions / Idle Control System / Component Location Index

DTC Troubleshooting
DTC P0506: idle Control System RPM Lower
Than Expected
NOTE: Before you troubleshoot record all freeze data
and any on-board snapshot, and review the general
troubleshooting information (see page ...
See also:
Valve Stem-to-Guide Clearance
Inspection
1. Remove the valves (see page 6-86).
2. Subtract the O.D. of the valve stem, measured with a
micrometer, from the I.D. of the valve guide,
measured with an inside micrometer or a ball gauge.
...
