Strange problem
Thread Starter
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Outstanding HDF Member
Joined: Jan 2011
Posts: 2,590
Likes: 31
From: Western Illinois, land of bad roads, and corrupt politicians
This just in:
It was a wire to the IMAP sensor that was broken inside the silicon insulator. The wires were a little tight in the loom going to the sensor. When the back brake was applied the engine leaned forward, breaking the circuit...... I'm back on the road burning refined dead dinosaurs.
It was a wire to the IMAP sensor that was broken inside the silicon insulator. The wires were a little tight in the loom going to the sensor. When the back brake was applied the engine leaned forward, breaking the circuit...... I'm back on the road burning refined dead dinosaurs.
Road Master
Joined: Jun 2012
Posts: 1,062
Likes: 191
From: Boise, Idaho
This just in:
It was a wire to the IMAP sensor that was broken inside the silicon insulator. The wires were a little tight in the loom going to the sensor. When the back brake was applied the engine leaned forward, breaking the circuit...... I'm back on the road burning refined dead dinosaurs.
It was a wire to the IMAP sensor that was broken inside the silicon insulator. The wires were a little tight in the loom going to the sensor. When the back brake was applied the engine leaned forward, breaking the circuit...... I'm back on the road burning refined dead dinosaurs.
Glad you got it straightened out.
Extreme HDF Member
Joined: Sep 2010
Posts: 14,744
Likes: 402
From: Phoenix '53, '88, '09 Big Twins
I think Shooter means "TMAP" Temperature Manifold Absolute Pressure which measures the density of the air in the intake which will vary with altitude, temperature and local weather variations.
Shooter, I have questions:
Were there stored codes which indicated a problem with the sensor?
Was the wiring harness stock and unmodified?
Mike
Shooter, I have questions:
Were there stored codes which indicated a problem with the sensor?
Was the wiring harness stock and unmodified?
Mike
Seasoned HDF Member
Joined: Mar 2010
Posts: 38,309
Likes: 6,328
From: Honah Lee
I think Shooter means "TMAP" Temperature Manifold Absolute Pressure which measures the density of the air in the intake which will vary with altitude, temperature and local weather variations.
Shooter, I have questions:
Were there stored codes which indicated a problem with the sensor?
Was the wiring harness stock and unmodified?
Mike
Shooter, I have questions:
Were there stored codes which indicated a problem with the sensor?
Was the wiring harness stock and unmodified?
Mike
Thread Starter
|
Outstanding HDF Member
Joined: Jan 2011
Posts: 2,590
Likes: 31
From: Western Illinois, land of bad roads, and corrupt politicians
I think Shooter means "TMAP" Temperature Manifold Absolute Pressure which measures the density of the air in the intake which will vary with altitude, temperature and local weather variations.
Shooter, I have questions:
Were there stored codes which indicated a problem with the sensor?
Was the wiring harness stock and unmodified?
Mike
Shooter, I have questions:
Were there stored codes which indicated a problem with the sensor?
Was the wiring harness stock and unmodified?
Mike
There were tons of codes. But none pointed to the TMAP. Loss of serial data to ECM. Loss of data from ABS. Multiple cruise control drop out, etc, etc. But nothing pointing to the TMAP.
Wiring was stock. The factory just had a wire tie a little far back and caused the wires to go tight when the engine was rocked forward on the mounts.
Strange that it took 40K for it to show up.
They found it by testing wires one at a time, and just got lucky, and found it within the first hour. Once they found it, they could kill the engine by pulling on the wire to break the connection.
The tech cut the tie, and made a nice slack loop, and replaced the connector.
Last edited by shooter5074; Jun 24, 2014 at 09:04 PM.
Road Warrior
Joined: Feb 2013
Posts: 1,625
Likes: 123
From: Meridian, Idaho
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