Reduced Engine Power warning at track
Thread Starter
Racer
Joined: Nov 2012
Posts: 396
Likes: 78
I don't know. It will take a couple of weeks I am told. I should know the timing next week after their meeting on Tuesday. I don't know if I will ever know. Maybe I will ask!
Drifting
Joined: Oct 2014
Posts: 1,673
Likes: 199
Had the same issue with my 2017 Z06. Every time at the end of warm up lap. At the beginning it was a headache to find the root cause. The dealer replaced the MAP sensor and never had this problem again. Been to 4 track days since and car runs flawlessly.
Le Mans Master
Joined: May 2000
Posts: 8,729
Likes: 1,508
From: Redmond WA
Sounds like they "found the bug". That's encouraging. Too bad we'll likely never know what it was (unless something shows up in a table, but I'm going to speculate this will be outside the calibration tables).
Last edited by davepl; Aug 4, 2017 at 05:22 PM.
Safety Car
Joined: Nov 1999
Posts: 4,285
Likes: 83
From: S.E. WI.
St. Jude Donor '08-'09-'10
P0106 at cold startup
FWIW, just found this thread. I have 2016 M7 and experienced this code on a cold start while backing out of garage recently. Car has never been tracked. Running Mamo TB and filter. Approximately 5000 miles at time. I cleared code and no problems since clearing.
Last edited by Chalky; Aug 5, 2017 at 10:32 AM.
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Race Director
Joined: Nov 2000
Posts: 11,221
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From: CA
2017 C5 of the Year Finalist
St. Jude Donor '08
It would set the code at about 137 in forth, if I really loaded it up, might set in third, but usually forth.
I went a head and tuned it out, shut if off and told it not to report with HPT. Problem gone.
I spoke with GM techs at SEMA last year, and they told me the "air flow range" is tighter on the 17s. Maybe GM got tired of "popped" motors from bolt ons, and made it harder to do it on the 17s.
Since I was tuning, I went ahead and did the 15% overdrive as well as ported the snout and TB. Just added Long Tube headers, yet to get the the dyno since Header install, but the car seams to SCREAM nicely at part throttle, don't want to get into it too hard till updated tune is done next week...
Last edited by jbsblownc5; Aug 5, 2017 at 04:08 PM.
Cruising
Joined: Jul 2017
Posts: 14
Likes: 5
Is it possible to make a copy of all the various perimeters in the tables. Fuel temp, timing, maf voltage, 02 readings, spark, etc, with the stock calibration in a program if they make a make a TSB to be able to match against a new program. I would be curious to see the issue instead of a super secret recal.
Thread Starter
Racer
Joined: Nov 2012
Posts: 396
Likes: 78
Sorry you had to go thru all this, I too had a similar fight with the P106 code on my M7 17 Z06, but I only got the code once I went with a a CAI... I'd been to 170+ plenty of time with out code before intake...
It would set the code at about 137 in forth, if I really loaded it up, might set in third, but usually forth.
I went a head and tuned it out, shut if off and told it not to report with HPT. Problem gone.
I spoke with GM techs at SEMA last year, and they told me the "air flow range" is tighter on the 17s. Maybe GM got tired of "popped" motors from bolt ons, and made it harder to do it on the 17s.
Since I was tuning, I went ahead and did the 15% overdrive as well as ported the snout and TB. Just added Long Tube headers, yet to get the the dyno since Header install, but the car seams to SCREAM nicely at part throttle, don't want to get into it too hard till updated tune is done next week...
It would set the code at about 137 in forth, if I really loaded it up, might set in third, but usually forth.
I went a head and tuned it out, shut if off and told it not to report with HPT. Problem gone.
I spoke with GM techs at SEMA last year, and they told me the "air flow range" is tighter on the 17s. Maybe GM got tired of "popped" motors from bolt ons, and made it harder to do it on the 17s.
Since I was tuning, I went ahead and did the 15% overdrive as well as ported the snout and TB. Just added Long Tube headers, yet to get the the dyno since Header install, but the car seams to SCREAM nicely at part throttle, don't want to get into it too hard till updated tune is done next week...
Thread Starter
Racer
Joined: Nov 2012
Posts: 396
Likes: 78
Is it possible to make a copy of all the various perimeters in the tables. Fuel temp, timing, maf voltage, 02 readings, spark, etc, with the stock calibration in a program if they make a make a TSB to be able to match against a new program. I would be curious to see the issue instead of a super secret recal.
Race Director
Joined: Nov 2000
Posts: 11,221
Likes: 899
From: CA
2017 C5 of the Year Finalist
St. Jude Donor '08
Safety Car
Joined: Aug 2005
Posts: 3,968
Likes: 867
From: Tulsa Oklahoma
Not sure why it's so complicated. Have the dealer replaced the MAP sensor?
Had the same issue with my 2017 Z06. Every time at the end of warm up lap. At the beginning it was a headache to find the root cause. The dealer replaced the MAP sensor and never had this problem again. Been to 4 track days since and car runs flawlessly.
Had the same issue with my 2017 Z06. Every time at the end of warm up lap. At the beginning it was a headache to find the root cause. The dealer replaced the MAP sensor and never had this problem again. Been to 4 track days since and car runs flawlessly.
Thread Starter
Racer
Joined: Nov 2012
Posts: 396
Likes: 78
Bulletin is done and the dealers should have the recal shortly to reflash the ECM to eliminate the CEL and reduced engine power at the track (p0106).
Burning Brakes
Joined: Jul 2008
Posts: 1,236
Likes: 270
From: Rattlesnake, FL
I think your cooling solution is what GM should of done in the first place on these cars. I would definitely have it if I was tracking my car.
Last edited by breakskeet; Aug 13, 2017 at 11:07 AM.
Thread Starter
Racer
Joined: Nov 2012
Posts: 396
Likes: 78
Are you saying that the Callaway Z06 pictured was going into reduced engine power as well at approximately 170 mph with normal coolant temps? How would your cooling solution fix this? The problem that the OP is describing seems to have nothing to do with the well known C7 Z06 cooling issue and track use.
I think your cooling solution is what GM should of done in the first place on these cars. I would definitely have it if I was tracking my car.
I think your cooling solution is what GM should of done in the first place on these cars. I would definitely have it if I was tracking my car.
Melting Slicks
Joined: Jun 2016
Posts: 2,845
Likes: 521
From: Eastern WA
Is this a recall for all 2017's or do you need to show you have had the CEL? Do you think it will apply to already built 2018's as well?
Burning Brakes
Joined: Jul 2008
Posts: 1,236
Likes: 270
From: Rattlesnake, FL
Last edited by breakskeet; Aug 13, 2017 at 01:50 PM.
Thread Starter
Racer
Joined: Nov 2012
Posts: 396
Likes: 78
I know that because I have read your entire thread and nowhere in it have your temperatures been elevated to a point of concern to cause a reduced power setting. The reason for my post was to enquire about LG Motorsports post regarding having this problem on a Callaway Z06 and fixing it with their cooling system. I don't understand the correlation if there installation does not require a tune. Just wanted some clarification from them.