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post #1 of 5 (permalink) Old 02-08-2012, 09:53 AM Thread Starter
Grand Prix 250
Main Motorcycle: 1600 Thunderbird
Join Date: Oct 2009
Location: Langhorne, Pa. USA
Posts: 58
Other Motorcycle: Honda 125 scooter
Check engine light.

Ok, I installed my heated grips according to the instructions. They work great but now my check engine light is on. When I first started the bike the fuel guage didn't work either. After riding a few miles the fuel guage started working correctly. I've re-started the bike a few times but the light is still on. Anybody have this problem? Anybody know how to fix it?
Backyard Bandit is offline  
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post #2 of 5 (permalink) Old 02-16-2012, 01:20 PM
Grand Prix 500
Main Motorcycle: 2012 Red/Blk Thunderbird
Senior Member
Join Date: Oct 2003
Location: Lakeland, Florida
Posts: 150
Other Motorcycle: Always looking for one
Smile Engine light

Bandit: I had a similiar problem with the light. I installed some extra lights on my bike and interrupted the electrical system and removed some fuses. After I completed the work and everything worked OK I noticed the engine light on. This happened on two seperate occasions. Both times I had to ride the bike for several hours before the light would go off, almost two days on one time. One time I actually watched it slowly fade away.
Hopefully you will have the same experience I did and it will go out but not as soon as you would like.
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post #3 of 5 (permalink) Old 02-18-2012, 08:42 PM
Main Motorcycle: Storm
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Join Date: Feb 2012
Location: Uniontown United States
Posts: 4
I was told that the check engine light is set on a number of key cycles. The light stays on until a number of key cycles are reached without finding any problems ... then the light will go out.
NeonLeon is offline  
post #4 of 5 (permalink) Old 02-26-2012, 04:48 AM
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Join Date: Jun 2010
Posts: 15
if your installation is ok and you have not disturbed anything like the vacumn hoses run the bike three times so that its up to working engine temperature each time you run it and cooled inbetween ech run.
if its still on after the three run cycles get it checked.
zolti is offline  
post #5 of 5 (permalink) Old 02-28-2012, 12:06 PM
Main Motorcycle: Trophy SE
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Join Date: Mar 2010
Location: Gainesville, FL, USA
Posts: 356
Other Motorcycle: Honda CB900F 919
Extra Motorcycle: Honda CB750A Hondamatic
+1 on those vacuum hoses! When I did my 24k maintenance a couple of months ago, I didn't notice that one of the vacuum hoses had come loose during the put-back-together period of the maintenance, and after about thirty miles of riding my check engine light came on. The engine was still running fine, so I got to my destination and did a once over finding the culprit.

It took another couple of engine cycles to get the light to go out, but between then I hooked it up to the computer and took a look at what the error actually was, and that confirmed that it was the vacuum hose.

TuneECU will tell you what the light is on for, if you have an OBD2 cable handy.

Past Bikes:
2010 Triumph Thunderbird
2006 Suzuki Boulevard S50
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