Why is my snowmobile idling so high?
High idle is caused by a lean condition. You can adjust the carbs using the fuel screws and/or air screws if you carbs have air screws(older models didn’t). Turn fuel screws out or air screws in. However, make small adjustments as many times it’s tough to find a sweet spot.
What happens when the Idle is high on a Harley Davidson?
Strange that there are no historical codes since you did say you saw the check engine light come on. (Could be you went through 50 key cycles with no engine issues) When you get off the interstate & the idle is high,,, if you were to power it off and restart the bike, does the idle calm down or does it resume the high idle.
How to install diagnostic test wire on Electraglide?
Install diagnostic test wire/clip across Terminals 1 and 2 on the data link connector, they are marked. c. Turn Ignition/Light Key Switch to IGNITION and wait approximately 10 seconds (4 seconds lamp ON, 6 seconds lamp OFF) for check engine lamp to start flashing.
What does it mean when your car Idles too fast?
But if the accelerated idle persists even after the engine is fully warmed up, it probably indicates a genuine problem. Troubleshooting Fast Idle Problems The first step is to determine if there are any diagnostic trouble codes stored in the PCM (powertrain control module).
Can a bad alternator cause a bad idle speed?
A vacuum leak in any of the hoses can be the culprit—inspect them all for leaks. A bad idle-speed control unit can cause the problem; it may need to be replaced. A faulty alternator can fast idle issues; if so, replace it. For the do-it-yourself mechanic, Many high-idle problems can be identified and remedied with some patient troubleshooting.
Strange that there are no historical codes since you did say you saw the check engine light come on. (Could be you went through 50 key cycles with no engine issues) When you get off the interstate & the idle is high,,, if you were to power it off and restart the bike, does the idle calm down or does it resume the high idle.
Install diagnostic test wire/clip across Terminals 1 and 2 on the data link connector, they are marked. c. Turn Ignition/Light Key Switch to IGNITION and wait approximately 10 seconds (4 seconds lamp ON, 6 seconds lamp OFF) for check engine lamp to start flashing.
Why does my ECM say idle all the time?
This allows the ECM to remember all the “idle”, throttle position and store the DTC status. There was also a download update if memory serves for some of the 2007 or 2008 models regarding an idle issue, so check with your H-D dealer for Service Bulletin regarding this.
Why does my idle air control keep sticking?
These faults will often produce a trouble code however, intermittent sticking of the Idle Air Control can sometimes only be identified by hard starting, rough idle, or idling high after warmed up. Fits the following models. May fit additional Harley models not listed that use p/n 27658-06 .*