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Adjust the idle speed using the Honda PGM Tester procedure, if possible.
If not, use the following procedure.

NOTE:
Leave the IAC valve connected.
Before setting the idle speed, check these items:
- The MIL has not been reported on
- Ignition timing
- Spark plugs
- Air cleaner
- PCV system

On Canadian models, pull the parking brake lever up. Start the engine, then check that the headlights are off.
Disconnect the EVAP canister purge valve 2P connector.
Connect a tachometer, or the Honda PGM Tester (A), or an OBD ll scan tool to the Data Link Connector (DLC) (B) located under the driver's side of the dashboard.
Start the engine. Hold the engine at 3,000 rpm with no load (in Park or neutral) until the radiator fan comes on, then let it idle.
Check the idle speed with no-load conditions: headlights, blower fan, rear defogger, radiator fan, and air conditioner off.

Idle speed should be:
M/T
 700+/-50 rpm
A/T
 700+/-50 rpm (in Park or neutral)

Adjust the idle speed, if necessary, by turning the idle adjusting screw (A) 1/4-turn clockwise or counterclockwise.
NOTE: Do not turn the idle adjusting screw more than 1/4-turn without checking the idle speed.
After turning the idle adjusting screw 1/4-turn, check the idle speed again. If it is out of spec, turn the idle adjusting screw 1/4-turn again.
Let the engine idle for 1 minute with the heater fan switch on HI and the air conditioner on, then check the idle speed.
Idle speed should be:
M/T
 770+/-50 rpm
A/T
 770+/-50 rpm (in Park or neutral)

NOTE:
Do not turn the idle adjusting screw when the air conditioner is on.
If the idle speed is not within specification, see Symptom Troubleshooting Index.
Reconnect the EVAP canister purge valve 2P connector.

英文出自:http://www.justanswer.com/honda/6j0na-honda-accord-stalls-traffic-lights.html