Question about 2003 Harley Davidson VRSCA V-Rod

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Starts sometimes hot or cold runs fine ,,turn off and will not start

When it srarts it runs good ,,stop for gas and wont restart

Posted by Anonymous on

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  • Harley Davidson Master
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Hi Anonymous, when checking for spark the CKP needs to measure the compression bump in order to send the correct signal to the ICM/ECM so always check for spark with either a third plug grounded or lift the end of the plug boot 1/2 " off one of spark plugs that are in the head. and the usual suspects are:
1. Fuel tank empty
2. Fuel supply valve turned off.
3. Fouled spark plugs.
4. Engine flooded with gasoline as a result of over use of enrichner.
5. Fuel valve or filter clogged.
6. Vacuum hose to automatic fuel supply valve disconnected, leaking, or pinched.
7. Discharged battery, loose or broken battery connections.
8. Loose wire connection at coil, battery or plug between ignition sensor and module.
9. Spark plug cables in bad condition and shorting, spark plug cable connections loose,
or cables connected to wrong cylinders.
10. Ignition timing incorrect due to faulty ignition coil, ignition module, or sensors " Manifold Absolute Pressure" "Camshaft Position Sensor" "Crank Position Sensor" "Brake Apply Sensor
11. Engine lubricant to heavy ( winter operation )
12. Sticking or damaged valves or push rod wrong length.
13. Primary cam sproket spline sheared or missing spacer.
14. Security alarm system not disarming.
For a primary suspect please visit the website below: Good luck
Codes 1130cc com The 1 Harley Davidson Rod Forum
Harley Davidson Manuals Mark Workshop

Posted on May 22, 2015

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Posted on Jan 02, 2017

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  • 17 Answers

SOURCE: 93 fat boy will not continue to run once started and wont restart

sounds like a fuel supply problem it probably has some build up in the fuel system from sitting so much, if it has a screen in the bottom of the tank it could be clogged with sediment from the fuel sitting. or in the filter if it has one could be clogged with old gas or dirt particles. Clean the tank if needed, unhook fuel line at engine and make sure there is flow from the tank. I sometimes blow air through the line back up to the tank to back wash any problems.

good luck

Posted on Mar 28, 2009

  • 1 Answer

SOURCE: 2003 sportster wont start or run right when it is warmed up

this may or may not be the same as mine, but I have an 03 XLH 883 and it comes to find out that the Ignition location and componeets is a lot different in most models. Finding parts and information has been a travesty at best. First thing is, everyone uses a different name for the same thing. On my model as it turns out, the Crank/ Cam Positioning Sensor is the same as the Ignition Module. On other Bikes it is mounted elsewhere. From all the reading and searching I have done, each of the symptoms are slightly different, as well as components mounted in different locations. unfortunaly there is alot of confusion on this topic even though it seems like it is fairly common. the new module was quite difficult to locate and replace. PLus the directions/ wiring are quite vague and cloudy. The first Module has 5 wires but the new one only has 2. It is not clear which wire goes to which side of the coil, so be careful when you hook it up...

Posted on Jun 08, 2009

  • 269 Answers

SOURCE: Trouble starting on warm starts sometimes.

This really sounds like a need to replace the intake gaskets. When the bike warms up the gaskets loose their seal leading to a lean condition that makes it almost impossible to start, until bike cools down. Gaskets are cheap, this would be my first place to begin. Hope this helps.

JP

Posted on Nov 10, 2009

wd4ity
  • 4565 Answers

SOURCE: engine dies coming to a stop, restarting has a

You didn't say whether the bike was carburated or fuel injected but I would assume it is fuel injected. You'll have to take it to a dealer unless the computer has been changed. They can scan for codes and reset the idle speed.

Posted on Dec 27, 2009

wd4ity
  • 4565 Answers

SOURCE: replaced carb , coil, and

Have you checked you fuel petcock in the tank. These things are vacuum operated and are notorious for giving problems.

Posted on Sep 02, 2010

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