Check Engine Light1998 Classic
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6th Gear
Joined: Jun 2008
Posts: 11
Likes: 0
From: Burnsville, MN
RE: Check Engine Light1998 Classic
Thank you im...
 \\;
I \\;am certain \\;the air box is stock, no fuel management. The mufflers may be aftermarket. Not sure which brand. Or they could be HD, punched out. I have not dug that deep yet. They are much louder than stock. No farts or burps on intitial start up.
Could I set off a code by not waiting for the engine light to go out prior to start up?
 \\;
I \\;am certain \\;the air box is stock, no fuel management. The mufflers may be aftermarket. Not sure which brand. Or they could be HD, punched out. I have not dug that deep yet. They are much louder than stock. No farts or burps on intitial start up.
Could I set off a code by not waiting for the engine light to go out prior to start up?
Seasoned HDF Member
Joined: Feb 2007
Posts: 6,034
Likes: 1,099
From:
RE: Check Engine Light1998 Classic
waiting or not waiting for for the check engine light before starting on this bike has more to do with fuel pump pressure build-up..unless it stumbles significantly you should not get a code do to a bad start-up...a fart or burp from bike upon start-up will give a code #56....i like to wait untill it goes out..but i never rush when on the bike..
-the mufflers/ or slip-ons \\; are easy to ID as Harley \\; because \\; thay are labeled as such....if original \\; very,very likely punched out...lean..decel pop, white/white spark plugs..you will need a fuel management device..power commander or other....you can self install..If possible check on throttle side of bike..hole below timing cone..were your right foot rests..look at hole \\; were cam position sensor exits..any goo looking stuff looks like that hard as nails caulk...if yes that is cam position sensor \\; dieing.....my bike has been very reliable, and most posts mention the same...problems seem to come when people start to mess with performance??? add ons..stick with slip-on mufflers/slightly altered original maybe a K and N filter replacement for standard airbox and self install fuel management \\; and you will get a long ride...the cam position sensor and the temp. sensor are the two most common replacement parts...and both are do it yourself items with simple tools.....not bad for a 10 year old bike...enjoy your bike
-the mufflers/ or slip-ons \\; are easy to ID as Harley \\; because \\; thay are labeled as such....if original \\; very,very likely punched out...lean..decel pop, white/white spark plugs..you will need a fuel management device..power commander or other....you can self install..If possible check on throttle side of bike..hole below timing cone..were your right foot rests..look at hole \\; were cam position sensor exits..any goo looking stuff looks like that hard as nails caulk...if yes that is cam position sensor \\; dieing.....my bike has been very reliable, and most posts mention the same...problems seem to come when people start to mess with performance??? add ons..stick with slip-on mufflers/slightly altered original maybe a K and N filter replacement for standard airbox and self install fuel management \\; and you will get a long ride...the cam position sensor and the temp. sensor are the two most common replacement parts...and both are do it yourself items with simple tools.....not bad for a 10 year old bike...enjoy your bike
Novice
Joined: Jan 2009
Posts: 16
Likes: 0
on my 1998 road king classic with fuel inj. you can read the codes doing the following:
1-turn ignition key switch to ignition and then turn off 1 second after fuel pump stops.
2.repeat #1 again..remember 1 second after pump stops
3.turn ignition key switch to ignition and wait about 8 seconds for a bunch of flashing of the check engine light
it will then stop for 2 seconds..get ready... these are the codes you must count:
it will slowly flash 1,2,3,5....there is NO 4....this is the first digit of the 2 digit code ..so it can only be 1,2,3,5  \\; __ __
then a 2 second pause...then you will get second digit of the 2 digit code..it can only be 1,2,3,4,5,6
remember after the complete 2 digit code is given you will go back to the rapid flash sequence..
there are a total of 15 codes available with this procedure
examples
52,53,54,55 bad news ECM replacement
56 crank/cam sensor
11 throttle sensor
12 barometric
23 and 32 are injectors front/rear
24 coil
33 fuel pump relayin this case you would not hear the pump but instead waited 3 seconds after the on / off sequence
*
in order to erase any codes you must disconnect the battery or wait for 50 on and off riding cycles
1-turn ignition key switch to ignition and then turn off 1 second after fuel pump stops.
2.repeat #1 again..remember 1 second after pump stops
3.turn ignition key switch to ignition and wait about 8 seconds for a bunch of flashing of the check engine light
it will then stop for 2 seconds..get ready... these are the codes you must count:
it will slowly flash 1,2,3,5....there is NO 4....this is the first digit of the 2 digit code ..so it can only be 1,2,3,5  \\; __ __
then a 2 second pause...then you will get second digit of the 2 digit code..it can only be 1,2,3,4,5,6
remember after the complete 2 digit code is given you will go back to the rapid flash sequence..
there are a total of 15 codes available with this procedure
examples
52,53,54,55 bad news ECM replacement
56 crank/cam sensor
11 throttle sensor
12 barometric
23 and 32 are injectors front/rear
24 coil
33 fuel pump relayin this case you would not hear the pump but instead waited 3 seconds after the on / off sequence
*
in order to erase any codes you must disconnect the battery or wait for 50 on and off riding cycles
Road Warrior
Joined: May 2006
Posts: 1,423
Likes: 0
From: Southern California High Desert, here and there....
on my 1998 road king classic with fuel inj. you can read the codes doing the following:
1-turn ignition key switch to ignition and then turn off 1 second after fuel pump stops.
2.repeat #1 again..remember 1 second after pump stops
3.turn ignition key switch to ignition and wait about 8 seconds for a bunch of flashing of the check engine light
it will then stop for 2 seconds..get ready... these are the codes you must count:
it will slowly flash 1,2,3,5....there is NO 4....this is the first digit of the 2 digit code ..so it can only be 1,2,3,5  \\; __ __
then a 2 second pause...then you will get second digit of the 2 digit code..it can only be 1,2,3,4,5,6
remember after the complete 2 digit code is given you will go back to the rapid flash sequence..
there are a total of 15 codes available with this procedure
examples
52,53,54,55 bad news ECM replacement
56 crank/cam sensor
11 throttle sensor
12 barometric
23 and 32 are injectors front/rear
24 coil
33 fuel pump relayin this case you would not hear the pump but instead waited 3 seconds after the on / off sequence
*
in order to erase any codes you must disconnect the battery or wait for 50 on and off riding cycles
1-turn ignition key switch to ignition and then turn off 1 second after fuel pump stops.
2.repeat #1 again..remember 1 second after pump stops
3.turn ignition key switch to ignition and wait about 8 seconds for a bunch of flashing of the check engine light
it will then stop for 2 seconds..get ready... these are the codes you must count:
it will slowly flash 1,2,3,5....there is NO 4....this is the first digit of the 2 digit code ..so it can only be 1,2,3,5  \\; __ __
then a 2 second pause...then you will get second digit of the 2 digit code..it can only be 1,2,3,4,5,6
remember after the complete 2 digit code is given you will go back to the rapid flash sequence..
there are a total of 15 codes available with this procedure
examples
52,53,54,55 bad news ECM replacement
56 crank/cam sensor
11 throttle sensor
12 barometric
23 and 32 are injectors front/rear
24 coil
33 fuel pump relayin this case you would not hear the pump but instead waited 3 seconds after the on / off sequence
*
in order to erase any codes you must disconnect the battery or wait for 50 on and off riding cycles
Stage I
Joined: Apr 2022
Posts: 1
Likes: 0
From: Dayton, OH
Hey....I'm new to the forum, researching a check engine light issue, came across your post. Long shot: do you still have the '98? If not, do you still have the service manual you mentioned later in this thread?
Hope this gets to you, I know your post was a LOOOONG time ago.
Mike
Hope this gets to you, I know your post was a LOOOONG time ago.
Mike
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