7 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHEngine shut off while downshifting
Leading reported evidence
Install unichip
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
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0
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1
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Performed · outcome unconfirmed
My normal cruising temp on the freeway jumped up quite a bit (too bad there's no digital gauge so I can't give any number) after I installed the Unichip.
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Suggestion · Original poster
First off-my check engine came on on the second session so took it in after one lap and saw my coolant level was way below minimum so disconnected battery and added coolant and next 5 sessions without a hitch in 100 plus degree weather.
Leading evidence: 'Install unichip' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check engine came' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Suggestion · Original poster
First off-my check engine came on on the second session so took it in after one lap and saw my coolant level was way below minimum so disconnected battery and added coolant and next 5 sessions without a hitch in 100 plus degree weather.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
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Suggestion
Also, sounds like you may be a candidate for the 3rd radiator (if you are going to run the track on 100 plus degree days).
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Check engine came
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion · Original poster
First off-my check engine came on on the second session so took it in after one lap and saw my coolant level was way below minimum so disconnected battery and added coolant and next 5 sessions without a hitch in 100 plus degree weather.
Discussions that performed work without a confirmed outcome
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Performed · outcome unconfirmed
My normal cruising temp on the freeway jumped up quite a bit (too bad there's no digital gauge so I can't give any number) after I installed the Unichip.
Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
7 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.
0 acknowledgements have no verified action link; they do not establish a repair result.
Generation: 20261026T130754Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Hi there and good day! I went to Thunderhill for last fri/sunday and Sunday wqas just a slew of weird things going on with my car. First off-my check engine came on on the second session so took it in after one lap and saw my coolant level was way below minimum so disconnected battery and added coolant and next 5 sessions without a hitch in 100 plus degree weather. But one thing was a problem was that day going to the track and while dring the track sessions when I downshift from 4th to third etc., engine shut off completely(3 times) so end up no steering control and luckily at Thunderhill nothing to hit but it has never shut off before til yesterday(also on the highway). It starts up afterwards and its running well- no bad sounds or major leaks anywhere. I'm getting it checked out but wanted to know if anyone had this kinda problem? Regards. Mike
Ah, you must have been the red 996 I saw on Sunday. I was in a polar silver 993 coupe. Too bad you didn't come over and see us...we had a small group of 993 Rennlister's parked together. There was also a Boxster S dude with us - lots of fun, these guys.
As for your problem, I suspect it's a faulty Unichip! I had a unichip for 1 week and the car woud cut off while I was driving!! I returned the piece of $%^$! Tricky, because you only experienced this on the track. Can you reproduce it? Were you running the 100 octane program?
Just one possibility, I guess...keep us updated..
Yep it's not hard to notice my car off the track when it's red-lol. I don't believe the Unichip has nething to do with it because gone many DE's prior without that happening. Boy it was a hot day. The Greenflag is totally different layout then what Thunderhill DE's do ie with Greenflag no chicanes or cones to speeak of-it's a free for all. It's like the first time on a unknown track-lol. Was impressed by the level of experience the drivers had in red group but the green group is goddarn hardcore racers. Oleg if you guys plan to do the Laguna Seca one with Greenflag-be a pleasure to meet up and all and partcipate. Regards. Mike
Ughhh... Loren. The dreaded MAF sensor. Would that do that kinda thing-kill the engine and all? It was a weird Sunday. Mike P.S.-I'm going to get the radiator because I'm bored and need to add more crap to my car-never ending.
Mike! Let me know about ur radiator install...I'm also interested.
My normal cruising temp on the freeway jumped up quite a bit (too bad there's no digital gauge so I can't give any number) after I installed the Unichip.
Do others who installed the unichip also notice a big jump in coolant temps? I assumed it's normal since more hp = more heat right?
Seggy- the Unichip never got temps to go up at all. On Sunday just didn't check my coolant(dumb) and it was well below minimum. After adding to proper levels-all is well. Drive alot of miles on your car dude so we can go Nov.24(Sunday) at Thunderhill(www.tracknutz.com)
. Regards. Mike
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