Question about 2002 Harley Davidson FLHR - FLHRCI Road king

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2002 Roadking no spark. Fuse look good knew plugs charged battery. Have not washed it in weeks

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Crank position sensor has probably gone bad

Posted on Oct 06, 2010

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2002 Polaris trail boss 250 cc have good spark, put gas in spark plug hole ,will not fire

its electrical then, week coil or week battery, change plug could be week too,

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2002 3.1 buick has sparks near the top side of spark plugs and will not start

You don't jump a vehicle

You test the battery & if it is good & takes a
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you proceed with your testing

Dec 05, 2014 | 2002 Buick Century

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2003 harley davidson roadking, no spark...checked coil, ecm, crankshaft sensor..all checks out okay..can a bad oil pump cause no spark...?

Hi Anonymous, on twin cams the CKP sensor needs compression to send correct signal to the ICM/ECM, make sure both spark plugs are in heads and use a grounded third plug to check for spark or hold spark plug cable close to spark plug in head. If still not getting spark the usual suspects are:
1. Fouled spark plugs.
2. Battery voltage below 8.7 volts, loose or broken battery cables especially ground cable to frame.
3. Loose connection at ignition coil or plug between ignition sensor and module.
4. Spark plug cables in bad condition, shorting / leaking, spark plug cable connections loose.
5. Faulty ignition coil or ignition / electronic module
6. Failed CKP, CMP, MAP or BAS sensor.
7. Faulty ignition switch.
For a prime suspect please visit the website below and good luck.
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Feb 03, 2013 | Harley Davidson FLHRCI Road King Classic...

1 Answer

Recently changed my spark plugs and washed my air cleaner for my 2005 roadking classic and now it runs kind of rough. The plugs come pre gapped and I made sure the air cleaner was dry before install. Also...

Hi Nicholas, did you use 6R12 spark plugs gapped at 040"? and the usual suspects are:
1. Spark plugs in bad condition or partially fouled.
2. Spark plug cables in bad condition or leaking.
3. Spark plug gap to close or to wide.
4. Faulty ignition coil, module and or sensor.
5. Battery nearly discharged.
6. Damaged wire or loose connections at battery terminals especially the negative cable at "BOTH" ends, ignition coil, or plug between ignition sensor and module.
7. Intermittent short circuit due to damaged wire insulation.
8. Water or dirt in fuel system, carburetor or filter.
9. Fuel tank vent system plugged or carburetor vent line closed off.
10. Carburetor controls misadjusted.
11. Damaged carburetor or intake seals.
12. Loose or dirty ignition module connector at crankcase.
13. Faulty MAP, CKP, and or CMP sensors.
14. Incorrect valve timing.
15. Weak or broken valve springs.
16. Damage intake or exhaust valve.
For a prime suspect please visit website below.
Good luck and have nice day.
Harley Diagnostic Codes 04 to Present

Jul 05, 2012 | 2000 Harley Davidson FLHR-FLHRI Road king

1 Answer

Im new in the harley world what spark plugs should i run in my 2002 roadking it is efi

Has this motorcycle been modified, the specs for a 2002 FLHRCI claim that it is naturally aspirated
(has a carb not efi)? If it has not been modified then my cross reference guide says the following are a replacements for the OEM part: accel Y2418P, Champion RA8HC, NGK 3932, NGK 6046, or HD 6R12... If the Engine has been modified, or replaced then these OEM plugs may not apply...

Aug 10, 2011 | 2002 Harley Davidson FLHRCI Road King...

1 Answer

Toyota Sienna 2002 Engine rotates, but will not start. Battery, and starter is good. Suggestions?

More information could be so many things, like bad fuel, blown efi fuse, immobilizer problem, bad fuel pump, etc.
When I have a problem like this I do two things scan computer for codes.
Crank vehicle for a fuse seconds remove a spark plug, if spark plug is wet, then I know that there is no spark, if it is dry, then I focus on fuel delivery.

Jan 10, 2011 | 2002 Toyota Sienna

1 Answer

1986 Gold Wing Interstate no spark. Had it runing once than no spark.

I wish I knew what kind of condition the bike was in. If you have no spark I would start with the coils for a loose or corroded connection both negative and possitive. Make sure the battery is good. You may have charged the battery and have 12 volts but if there is a bad cell in the battery and not enough amps your starter may turn but you will not get enough amps for the coils to fire the plugs. When my Intruder battery get a little low my plugs do not fire hot enough and fowls out. The battery is new so when I recharge or keep my trickel charge on I have no problems.

Nov 13, 2009 | 1985 Honda GL 1200 Interstate Gold Wing

1 Answer

2002 roadking misses

Here is a list of things you can start with:

1. Spark plugs in poor condition or partially fouled.
2. Spark plug cables in poor condition and shorting or leaking.
3. Spark plug gap too close or too wide.
4. Faulty ignition coil, ECM, or sensor.
5. Battery nearly discharged.
6. Damaged wire or loose connection at battery terminals,
ignition coil or ECM connector.
7. Intermittent short circuit due to damaged wire insulation.
8. Water or dirt in fuel system.
9. Fuel tank vent system plugged.
10. Air leak at intake manifold or air cleaner.
11. Loose or dirty ECM connector.
12. Faulty Sensor(s): Manifold Absolute Pressure (MAP),
Crank Position (CKP) or Oxygen (O2).
13. Incorrect valve timing.
14. Weak or broken valve springs.
15. Damaged intake or exhaust valve.
16. Partially plugged fuel injector(s).

May 31, 2009 | 2002 Harley Davidson FLHRCI Road King...

1 Answer

2002 Madza 626 has fire but seems like it's not getting gas

I had a similar sounding problem: my '02 626 would turn over but not start and I know my solution will sound strange but it worked. To start with I had a 4.5 year-old battery and I cranked on the starter until the battery started dying. I then left the car in my driveway overnight and the next afternoon, when I had time, I hooked it up to my battery charger (set on 'fast charge' ) and I pulled off one of the spark plug wires and tried to ground it then had my 17 year-old turn the starter over to see if we had any spark reaching the plugs. The car then started! While I was holding a spark plug wire in my hand! I replaced the battery that night and have not had a problem since (about 4 weeks ago). How old is your battery? Take it to a parts store that does battery diagnosis and have 'em check it out... It may just be your culprit.

Mar 06, 2009 | 2002 Mazda 626

1 Answer

Honda cbr 400 rr starting problem

i could not find a schematic of a 96 cbr400rr, so guessing this bike is not from the USA. however, there should be a master fuse near the battery on the positive side mounted to the battery box somewhere. i would check this fuse first to see if its burned out.

also, is battery fully charged? might have to top charge the battery to get good juice if its old (>3 years) and been sitting for a bit.

good luck.

Jan 28, 2009 | 1996 Honda CBR 400 RR

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