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09 FLHTC Stalling/Missing.....

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Old Aug 24, 2018 | 07:47 PM
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From: Wilkes Co.- N.C.
Default 09 FLHTC Stalling/Missing.....

About Sept last year I had a cam tensioner and oil pump issue......Changed oil pump, tensioners, cleaned everything and got bike running.....

Since then the motor seems like it's been over-heating and you sometimes smell burnt oil......The motor seems to not have the power it had before the problems in Sept......It got to missing bad one day so I turned around and came home......The next time I tried to start it, i had no fire/spark.....Changed the crank position sensor and the coil and bike ran fine but still felt like it was weak on power......On some shorter rides it does ok but on longer rides is when i get the heat, missing and power loss......Started out the other day, got about 30 miles from home and it shut off at hwy speed and would not start back up....called AAA.......The next morning it fired right up......

Since Sept, I've also changed plugs, and dropped oil pan and cleaned oil passages, changed lifters and push-rods.......

any ideas on what to do next?......I'm leaning towards the ECM.....or pitching it in the gully.....lol......thanks......
 
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Old Aug 24, 2018 | 07:57 PM
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If it is missing, it will throw codes. Your cam tensioner should have gone 100K on a 2009. How has bike been modified for fuel, intake, and exhaust? How many miles? See any oil under it? You do any additives or anything when you park it for winter? How much if you do? Exactly correct amount per gallon? You keep RPM 2000 and above and down shift to speed up?
 

Last edited by Jackie Paper; Aug 24, 2018 at 08:04 PM.
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Old Aug 24, 2018 | 08:30 PM
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Originally Posted by RIPSAW
If it is missing, it will throw codes. Your cam tensioner should have gone 100K on a 2009. How has bike been modified for fuel, intake, and exhaust? How many miles? See any oil under it? You do any additives or anything when you park it for winter? How much if you do? Exactly correct amount per gallon? You keep RPM 2000 and above and down shift to speed up?
stock bike.....no leaks or additives.....no check engine light.....intermittent problem.....a little over 50k miles......

I have no info on codes in either of my manuals....owners or service......I dont have electrical manual......

re tensioner issue, oil pump may have failed first back in Sept when problems started.....on a run and oil pressure dropped to zero......oil pump was at max tolerances to manual.......
 
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Old Aug 24, 2018 | 09:50 PM
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Here's procedure to check your codes.
https://www.fuelmotousa.com/p-29661-...ble-codes.html
 
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Old Aug 24, 2018 | 10:00 PM
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Originally Posted by acchd
Here's procedure to check your codes.
https://www.fuelmotousa.com/p-29661-...ble-codes.html
I will check this tomorrow.....thx......
 
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Old Aug 25, 2018 | 05:45 AM
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Sounds like you do your own work. You need to get Harley's electrical diagnostic manual.
 
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Old Aug 25, 2018 | 02:39 PM
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Ok.....I checked codes, and there were about 10.....all "P" codes....120, 123, 131, 132, 151, 152, 220.....the other few I lost when paper I was writing on fell in oil drain pan....lol....

instructions said to find out whether codes were old or current to clear codes, run bike and check again....current codes would come up again......no codes came up after short ride.....

I am leaning towards pushing bike into gully......again......lol.....
 
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Old Aug 25, 2018 | 02:42 PM
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Originally Posted by RIPSAW
Sounds like you do your own work. You need to get Harley's electrical diagnostic manual.
I have been meaning to......this is first problem like this I have had since buying bike in 2010......I am looking for one now....lol....
 
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Old Aug 25, 2018 | 02:57 PM
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Originally Posted by bentryder
Ok.....I checked codes, and there were about 10.....all "P" codes....120, 123, 131, 132, 151, 152, 220.....the other few I lost when paper I was writing on fell in oil drain pan....lol....

instructions said to find out whether codes were old or current to clear codes, run bike and check again....current codes would come up again......no codes came up after short ride.....

I am leaning towards pushing bike into gully......again......lol.....
Based on a few of those codes I would be looking at and cleaning the electrical connector located on the intake manifold (the induction module) under the air cleaner.

The electrical pins/connections were known to oxidize and/or fret causing all kinds of weird symptoms. There is a TSB out there somewhere about the issue.
 

Last edited by lp; Aug 25, 2018 at 03:01 PM.
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Old Aug 25, 2018 | 05:10 PM
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Originally Posted by lp
Based on a few of those codes I would be looking at and cleaning the electrical connector located on the intake manifold (the induction module) under the air cleaner.

The electrical pins/connections were known to oxidize and/or fret causing all kinds of weird symptoms. There is a TSB out there somewhere about the issue.
Here it is
TT418A service bulletin applies to 2008-Later Touring, Police & Trike Models

Symptoms: Driveability or Performance Concerns; Abnormal or Erratic Mechanical Operation; Intermittent or Erratic Electrical Operation.

Note: Throttle Position Sensor (TPS) circuit DTC's P0120, P0220, P0122, P0123, P0222 and P223 should take diagnostic priority over a P2135 code. If any of these TPS codes exist concurrently with the P2135, they should be investigated first using the diagnostic manual.

The TCA has two potentiometers (designated as TPS1 & TPS2) and a electric DC motor for controlling the actuation of the throttle. The two TPS sensors work opposite of each other. As the throttle plate opens , TPS1 voltage ranges from 0.0-5.0 Volts, while TPS2 voltage ranges from 5.0-0.0 volts. The sum of the two TPS voltages should always measure approximately 5.0 volts. These wire are: TPS1, pin # 37 (BN/V wire) of the ECM, and TPS2 pin #36 (BN/R wire) of the ECM

The TPS1 and TPS2 sensors should never add to more than 5.13 Volts Direct Current (VDC) or less than 4.87 VDC . A sum of voltages out of this range should register a current P2135 code.

Troubleshooting:

It is believed that FRETTING CORROSION is a major contributor of this code. A poor connection at the Throttle Control Actuator (TCA) can affect the sensor voltages reported to the ECM and this will set this DTC. As you can see from the General Information section, the sensor voltage only need to be altered by 0.13 VDC to possibly set the code.

The most common vehicles to have these symptoms are those with more than 8,000 miles (12875 Kilometers) or 103 cubic inch and larger engines. Vibration is believed to contribute to the FRETTING CONDITION.

Repair Procedure:1. While monitoring the TPS1 and TPS2 voltages on Digital Technician 2 (DT 2), wiggle the TCA [211] and the ECM [78] connectors.
2. If the voltage changes while wiggling the ECM connector , replace the affected ECM terminals (part # 72605-08). These wires are: TPS1, pin #37 brown/violet wire of the ECM, and TPS2, pin #36 brown/red wire of the ECM.
3. If no voltage change is noted while moving the ECM connector , the connection issue could be in the TCA. Replace all socket terminals with NEW terminals (part # 72663-11, used in current production) at the TCA connector[211B].
4. BEFORE CONNECTING the TCA CONNECTOR, clean the male TCA pin terminals with a swab and alcohol, and ASSEMBLE WITH DIELECTRIC GREASE.

DTC P2101
General Information: The TCA contains two potentiometers (designated as TPS1 & TPS2) and a electric DC motor for controlling a actuation of the throttle. TPS1 & TPS2 are mounted in the TCA. They are connected to the keyed shaft of the throttle plate and used to communicate the throttle plate position.
Each TPS supplies input to the ECM in response to the position of the throttle plate. The ECM activates the motor in the TCA to move the throttle plate, based on signals from the Twist Grip Sensor (TGS). When the ECM send voltage modulations to pins 2 & 3 0f the TCA to move the throttle motor, it checks fo subsequent TPS1 and TPS2 voltage changes. If it does not sense TPS changes it will set this code.

Troubleshooting: First verify that the throttle plate moves freely when engine is not running. If it does not the TCA needs to be replaced.
Poor ECM connections seem to be the most likely cause. Be aware that this issue may be aggravated by the seat pan making contact with the ECM connector. In most cases, this is caused by the installation of an aftermarket seat.
A poor connection at ECM pins #29 & 30 could cause an interruption in voltage to the throttle motor and set this code. Similarly the ECM uses voltage from pin #52 yellow/green wire to supply power used at pins #29 & 30 and could cause the same symptoms.

Repair Procedure:
Identifying the connection issues at this location may be difficult.
1. Replace all socket terminals with NEW terminals (part #72663-11 used in current production) at the TCA connector [211B].
2. BEFORE CONNECTING the TCA CONNECTOR, clean the male TCA pin terminals with a swab and alcohol, and ASSEMBLE WITH DIELECTRIC GREASE

 
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