Question about 2007 Harley Davidson FLSTN Softail Deluxe

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Engine starts when cold but when warm, engine cranks but doesn't fire but does start eventually

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Hi Steve, and the usual supects are:
Spark plugs are in bad condition, improper gap, partially fouled.
Spark plug cables in bad condition.
Battery nearly discharged.
Loose wire connection at one of the battery terminals,coil, or plug between the Ignition Control Module.
Throttle controls not adjusted correctly.
Water or dirt in fuel system/tank
Water or dirt in carburator.
Intake air leak.
Fuel tank vent hose and vapor valve plugged, or fuel line closed off, restricking fuel flow.
Inrichner valve inoperative.
Engine lubricant to heavy (winter operation).
Ignition not functioning properly (possible sensor failure).
Faulty ignition coil.
Valves sticking.
For possible prime suspect visit website below:
Harley Diagnostic Trouble Codes
Good luck

Posted on May 01, 2015

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