Two minute idle log
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Joined: Aug 2015
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From: oregon
Two minute idle log
Could someone take a look at the attached two minute cold idle log file and tell me if I have an issue(s) to checkout? With my limited experience I see a couple of candidates. First starting at mls 1464 - 2374 AFR jumps to 17.9. Secondly, the disparity between front and rear VE's, the rear being close to 20 points higher. Is this indicative of something to be fixed?
Any help would be greatly appreciated.
Some background, last summer the motor started to die at idle or go so low that something started clanging. After two weeks at the dealership it came back the same way it went in. They check many things replaced some sensors, nothing. I happen to have another '07 bike so I changed out every sensor, coil, wires even the ECM with the correct map installed, nothing. Jimmy at HPI checked out the t/b, no issues then he said he rebuilt the t/b but it came back looking too new to be rebuilt. Very nice gesture on his part (no charge). Then did contact enhancer on every sensor contact as well as the ECM. Then I upgraded the AT to TT (FM), fired it up low idle was gone but replaced with somewhat of a higher idle than before.
Any help would be greatly appreciated.
Some background, last summer the motor started to die at idle or go so low that something started clanging. After two weeks at the dealership it came back the same way it went in. They check many things replaced some sensors, nothing. I happen to have another '07 bike so I changed out every sensor, coil, wires even the ECM with the correct map installed, nothing. Jimmy at HPI checked out the t/b, no issues then he said he rebuilt the t/b but it came back looking too new to be rebuilt. Very nice gesture on his part (no charge). Then did contact enhancer on every sensor contact as well as the ECM. Then I upgraded the AT to TT (FM), fired it up low idle was gone but replaced with somewhat of a higher idle than before.
Road Master
Joined: Feb 2016
Posts: 858
Likes: 140
From: USA
Could someone take a look at the attached two minute cold idle log file and tell me if I have an issue(s) to checkout? With my limited experience I see a couple of candidates. First starting at mls 1464 - 2374 AFR jumps to 17.9. Secondly, the disparity between front and rear VE's, the rear being close to 20 points higher. Is this indicative of something to be fixed?
Any help would be greatly appreciated.
Some background, last summer the motor started to die at idle or go so low that something started clanging. After two weeks at the dealership it came back the same way it went in. They check many things replaced some sensors, nothing. I happen to have another '07 bike so I changed out every sensor, coil, wires even the ECM with the correct map installed, nothing. Jimmy at HPI checked out the t/b, no issues then he said he rebuilt the t/b but it came back looking too new to be rebuilt. Very nice gesture on his part (no charge). Then did contact enhancer on every sensor contact as well as the ECM. Then I upgraded the AT to TT (FM), fired it up low idle was gone but replaced with somewhat of a higher idle than before.
Any help would be greatly appreciated.
Some background, last summer the motor started to die at idle or go so low that something started clanging. After two weeks at the dealership it came back the same way it went in. They check many things replaced some sensors, nothing. I happen to have another '07 bike so I changed out every sensor, coil, wires even the ECM with the correct map installed, nothing. Jimmy at HPI checked out the t/b, no issues then he said he rebuilt the t/b but it came back looking too new to be rebuilt. Very nice gesture on his part (no charge). Then did contact enhancer on every sensor contact as well as the ECM. Then I upgraded the AT to TT (FM), fired it up low idle was gone but replaced with somewhat of a higher idle than before.
Last edited by oleboy; Apr 10, 2016 at 09:54 PM.
Road Warrior
Joined: Jun 2015
Posts: 1,325
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From: Edinburgh UK
Faulty/failing original o2 sensor(s)?? ...switching to TT would have replaced the original narrow with wide bands.
Something that was good but develops a fault, normally suggests something is wrong/failed/failing/or due to something being changed.
Something that was good but develops a fault, normally suggests something is wrong/failed/failing/or due to something being changed.
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Joined: Aug 2015
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From: oregon
I'll give that a try today, thanks.
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Joined: Aug 2015
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From: oregon
I had the A/T wideband sensors in at time, put the stock narrowband back in with no change.
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