PonyDarkmind
New Member
Hi All,
New to the forum and new to Harleys. Bought a 2004 Fatboy, my first Harley and it's been a dog. Two years in and it's spent more time being repaired than on the road.
I've come across a problem I just can't seem to fix. I don't have sufficient privileges to post a thread in the EFI diagnostic section so a bit stuffed.
I know I caused the issue but am running out of knowledge on how to fix it.
Bike was running a little rough, stuttering every now and then when accelerating. Very rarely but annoying when it happened.
Went on an 800 mile road trip and developed an oil leak, then the engine management light started coming on for just a few seconds.
Replaced an oil pipe and all of the seals and the oil leak has gone.
The fault code from the engine management said it was a map sensor issue so swapped it out.
Also swapped the throttle position sensor while I was under the tank incase it was worn and there were flat spots. I set the TPS up for 0.275V with the cold start harness disconnected.
Also put new spark plugs in
So I start the bike and the idle is rough. Reset the ECU using the on off 3 times procedure.
Bike starts fine but idle is still lumpy. Kinda OK but every now and then it speeds up for about 2 seconds. On accelerating it stutters like crazy. It's 50:50 if I make it out of a junction. Have only been round the block and it was horrible.
Any ideas as to what I've done wrong? It's my only transport so I need to get back on the road soon.
New to the forum and new to Harleys. Bought a 2004 Fatboy, my first Harley and it's been a dog. Two years in and it's spent more time being repaired than on the road.
I've come across a problem I just can't seem to fix. I don't have sufficient privileges to post a thread in the EFI diagnostic section so a bit stuffed.
I know I caused the issue but am running out of knowledge on how to fix it.
Bike was running a little rough, stuttering every now and then when accelerating. Very rarely but annoying when it happened.
Went on an 800 mile road trip and developed an oil leak, then the engine management light started coming on for just a few seconds.
Replaced an oil pipe and all of the seals and the oil leak has gone.
The fault code from the engine management said it was a map sensor issue so swapped it out.
Also swapped the throttle position sensor while I was under the tank incase it was worn and there were flat spots. I set the TPS up for 0.275V with the cold start harness disconnected.
Also put new spark plugs in
So I start the bike and the idle is rough. Reset the ECU using the on off 3 times procedure.
Bike starts fine but idle is still lumpy. Kinda OK but every now and then it speeds up for about 2 seconds. On accelerating it stutters like crazy. It's 50:50 if I make it out of a junction. Have only been round the block and it was horrible.
Any ideas as to what I've done wrong? It's my only transport so I need to get back on the road soon.