Blown Head Gasket
Road Warrior
Joined: Apr 2010
Posts: 1,648
Likes: 37
From: Monroe, Louisiana
Have seen couple of bikes blow the ACR out. It will make lots of racket. Ahead gasket usually doesn't go like that. it will leak over a period of time and is below the exhaust port. If it is a head gasket you will ususally see an oily deposit on the cooling fins where it is leaking out. The wiring to the ACR could have been damaged when it blew out and that would blow the fuse.
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Road Warrior
Joined: Jul 2013
Posts: 1,624
Likes: 13
From: Fort Worth
Have seen couple of bikes blow the ACR out. It will make lots of racket. Ahead gasket usually doesn't go like that. it will leak over a period of time and is below the exhaust port. If it is a head gasket you will ususally see an oily deposit on the cooling fins where it is leaking out. The wiring to the ACR could have been damaged when it blew out and that would blow the fuse.
Cruiser
Joined: Sep 2012
Posts: 203
Likes: 0
From: Livingston, La.
A head gasket can blow out all of a sudden as I've had it happen while running about 75 mph on I-10 at Pasagoula, Ms. I had just passed a truck and I had a pop and instant bad running. I put my hand down by the frt exhaust and felt the hot air being pushed out by the piston and knew right away what had happened. By the time I reached Baton Rouge, La. the bike was only able to do about 35mph wot.
Road Master
Joined: Jan 2010
Posts: 881
Likes: 13
From: ONT
Code P1003
System Relay
With the ignition switch turned to IGNITION
and the engine stop switch at RUN, the ECM energizes the
system relay to complete the circuit to the in-tank fuel pump,
ignition coil, and fuel injectors. They remain powered as long
as the engine is cranking or running, and the ECM is receiving
ignition reference pulses from the CKP sensor. If there are no
reference pulses, the ECM de-energizes the system relay within
2 seconds after the ignition is turned to IGNITION or the engine
has stalled, or immediately after the ignition is shut off.
System Relay
With the ignition switch turned to IGNITION
and the engine stop switch at RUN, the ECM energizes the
system relay to complete the circuit to the in-tank fuel pump,
ignition coil, and fuel injectors. They remain powered as long
as the engine is cranking or running, and the ECM is receiving
ignition reference pulses from the CKP sensor. If there are no
reference pulses, the ECM de-energizes the system relay within
2 seconds after the ignition is turned to IGNITION or the engine
has stalled, or immediately after the ignition is shut off.
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Road Warrior
Joined: Jul 2013
Posts: 1,624
Likes: 13
From: Fort Worth
No mods that would cause this. I have a stage 1. I spoke with the shop a bit more today and they will pick the bike up on Tuesday. In talking with a tech, she (yes, a she) seems to think like ke5rbd and that the ACR Solenoid failed, shorted out and caused the ECM fuse to trip. She has seen a couple 103s that this has happened on. I'll know more later this week after they pick up the bike and begin the T/S process.
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Road Warrior
Joined: Jul 2013
Posts: 1,624
Likes: 13
From: Fort Worth
Update
I heard from the dealer today. It was the ACR that had "worked its way out" of the cylinder. The plug got hot, melted and caused a short. The dealer went to install a new ACR and reported that they couldn't get it to torque down properly. The threads "were wallered" out was the reason.
I'm not sure if the dealer didn't cross thread things trying to put the new ACR in or if the ACR threads were damaged during initial build. I was fully expecting the dealer to tell me that they were going to helicoil it and get it back to me.
Nope, they have ordered a new cylinder head and it'll be mid week next week before the repair is completed.
I'm not sure if the dealer didn't cross thread things trying to put the new ACR in or if the ACR threads were damaged during initial build. I was fully expecting the dealer to tell me that they were going to helicoil it and get it back to me.
Nope, they have ordered a new cylinder head and it'll be mid week next week before the repair is completed.
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