Question about Harley Davidson FLSTF Fat boy Motorcycles

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I have a 1998 fatboy and turns over fine but no start how can i rule out the coil or see if it is the ignition module

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On the 98 Evo motor, take the spark plugs out of the heads and then reinsert them into the spark plug wires. Lay the plugs on the head and turn the engine over with the starter. You should see the spark plugs firing.

Good Luck
Steve

Posted on Mar 26, 2011

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1 Answer

97 Fatboy won't start


Hi anonymous, first check battery, connections should be clean and tight and your ground cable is secured to engine or frame. Battery should have a charge of 12.5 volts or better. If it turns over check for spark at the plugs, if not check circuit breakers and ignition switch, starter relay, and relay wire to starter with test lite for continuity. If no spark check for bad spark plugs, spark plug cables, ignition coil and power to coil, ignition control module and power to module, cam timing sensor and power to it. Below is a web site that may have a wiring diagram to assist you in diagnoising you problem:
http://officialharleyparts.com/wiring_diagrams.php
Good luck

Apr 09, 2014 | Harley Davidson FLSTF Fat boy Motorcycles

1 Answer

1993 HD fatboy won't start. has spark and fuel and turns over


Hi Leon, 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.
Good luck

Jan 05, 2013 | Harley Davidson FLSTF Fat boy Motorcycles

1 Answer

1998 Pontiac Bonneville SLE will turns over but will not run


I would check to see if the spark plugs are fouled. Or you might have a bad ignition control module (mounted under the coil packs). Auto Zone can test the ignition control module.

May 19, 2010 | 1998 Pontiac Bonneville

1 Answer

1998 Pontiac transport van wont start:


Well you hit all the major ones, could be crank position sensor, ignition module, a bad coil pack (it should have 3), you need to check that you have spark to each plug while the engine is turning over (!!!be careful as this will hurt if you get shocked!!!), this will rule out coil packs. if you have no spark to any plug your looking at a bad ingnition module (which is what the coil packs bolt to). Hope this gets you on the right track!

Feb 08, 2010 | 1998 Pontiac Trans

1 Answer

Engine will not restart after use, will start after 10-25 minutes


Do not take the fuel cap of when trying to start the vehicle this will trigger a trouble code. The no start problem, sounds like the ignition module. Thats the thing that your coils are plugged into. The coils are the things that your plug wires are plugged into up by the fire wall. The ignition module looks like a silver plate about 6-8" long underneath the coil packs, (3 individual coils serving two cylinders each). Anyway have that checked out. Tip;- If you unplug the coils and put dielectric grease at each of the terminals, that might help, it's a first step to fixYa.

Aug 31, 2009 | 1998 Chevrolet Malibu

1 Answer

I have a 97 Fatboy that sometimes loses spark


test or replace your ignition module,and you might find the actual prob by accident the connector for the module sometimes with age lose or only have intermittant contact.a can of electrical contact cleaner should take care of it but those symptoms scream ignition mod dont know why hd dealer couldnt find it but they dont put their best techs on older bikes

Jul 15, 2009 | Harley Davidson Harley-Davidson Motorcycle...

1 Answer

Engine turns over well but wont start


check the battery an make sure its holding a charge and test the alternator and checkout the starter to make sure its good and not drawing on the battery

May 16, 2009 | 1998 GMC Savana

3 Answers

My 89 mazda 323 turns over but wont start


Last week my 323 89' Mazda stop working as I was driving it in middle of the street, I pushed to the side. it would not start, the starter sounded ok, but the car just didnt start, I checked the fuses, gas pump, and all seemed to be ok, finally with the help of a friend we found out that the ignition rotor at the distributor wasnt working we then replace it with a new one from autozone , is about 5 dollars, now it works just fine, big problem easy solution.

Victor

Dec 01, 2008 | 1989 Mazda 323

1 Answer

2005 fatboy starting problem


Start with the battery and make sure u have at least 12.5 volts and good cable connections
1. Are the plugs fouled ?
2.Fuel filter clogged ?
3.Check all the (vacuum) lines for tight connection
4. Sparg plug cables, coil
5.Ignition timing, sensors

Dec 01, 2008 | Harley Davidson Harley-Davidson Motorcycle...

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