stevenlammy
Active Member
- Thread starter
- #1
Hi everyone,
Mods:
BoostLogic Downpipe
PWR LTR
KoyoRad Aux Radiators
First two sessions of the day had no issues whatsoever. The third session was good until the last few minutes - check engine light turned on and it cut some power. Called my tuner to no avail - luckily a local tuner was there and he checked it out and cleared the code off my ECUTEK. Local tuner said it was something along the lines of IATs mismatch after the filter so something related to charge air temps. Started fourth session after lunch and after the third lap, the check engine light came back on so I decided to pull off and call it a day. I accidentally cleared the code looking around through ECUTEK so I'll have to reproduce it (which doesn't seem too hard) and update this accordingly.
After speaking with a few track guys and tuners, we came up with a few theories with potentially the main culprit being potentially the tune. My tuner also told me that it was my IATs causing this issue citing that their tune has safeties built in and that my cooling was insufficient. Many people disagreed with that assessment as I have all the upgraded cooling and many people have done DP/Tune with no issues on the track so we'll see.
I'll be datalogging (to send to other tuners for secondary review) this weekend at Thunderhill and trying to figure out what the problem really is. So far we have some theories so I'll be testing these out. If I can verify that it's not the 91 octane or fuel starvation, that should leave the tune as the culprit as my cooling systems are all working properly as oil/coolant temps are lower than standard under load.
In the meantime, I was wondering if anyone could chime in or have had any experience with this?
Mods:
BoostLogic Downpipe
PWR LTR
KoyoRad Aux Radiators
First two sessions of the day had no issues whatsoever. The third session was good until the last few minutes - check engine light turned on and it cut some power. Called my tuner to no avail - luckily a local tuner was there and he checked it out and cleared the code off my ECUTEK. Local tuner said it was something along the lines of IATs mismatch after the filter so something related to charge air temps. Started fourth session after lunch and after the third lap, the check engine light came back on so I decided to pull off and call it a day. I accidentally cleared the code looking around through ECUTEK so I'll have to reproduce it (which doesn't seem too hard) and update this accordingly.
After speaking with a few track guys and tuners, we came up with a few theories with potentially the main culprit being potentially the tune. My tuner also told me that it was my IATs causing this issue citing that their tune has safeties built in and that my cooling was insufficient. Many people disagreed with that assessment as I have all the upgraded cooling and many people have done DP/Tune with no issues on the track so we'll see.
I'll be datalogging (to send to other tuners for secondary review) this weekend at Thunderhill and trying to figure out what the problem really is. So far we have some theories so I'll be testing these out. If I can verify that it's not the 91 octane or fuel starvation, that should leave the tune as the culprit as my cooling systems are all working properly as oil/coolant temps are lower than standard under load.
- Tune (what everyone seems to think the cause is)
- Fuel starvation (unlikely but possible - over half tank entire day)
- 91 Octane (will be mixing some 100 this weekend to test)
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