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The mkiv Supra Owners Club

Exclaimation mark on high boost


as5606

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Yesterday, I was giving it a bit of welly up a slip road, toying with a BM (as you do) and I noticed the Red Exclaimation mark came on on high boost of the second turbo (1.2Bar). I eased off a bit an it then started to flicker and went off.

 

Worried me slightly since I suppose this is the first real hard push I have given it since all of mods done for BPU (see signiture).

 

Anyone know what the possible cause of this is.

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Did the brake light come on as well (the (!) symbol as if the handbrake was on). A fair few people have had this, usually related to the brake fluid level but also potentially meaning you need new pads(?) I know that's what it was on mine.

 

The only other thing I can think that does that is fuel cut or potentially a dodgy speedo conversion. However this usually leaves the ! on until the car is switched off.

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I don't think that it was the brakes because I recently topped this up as it was starting to happen (pads have a few thou left on them).

 

Could be the speedo conversion. I also have a de-limiter fitted (not done by me) and a fule cut defender so I hope that it was not cutting out.

 

I am taking to the Chris Wilson Surgery this weekend for a checkup. Hopefully he can find out the problem.

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My car does the same occasionally on high boost. The fuel is cut for about 0.2 seconds on my car. I suppose it is cut until the boost drops below a predetermined level. The exclamation light comes on when this occurs and doesn't go off for about another 5 seconds.

 

Maybe your fuel cut defender is incorrectly set?

 

James.

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Originally posted by Ian C

I've had this flickering light for two reasons - one, slightly low brake fluid. Two, one bonnet catch not being engaged correctly and at about 120mph+ it flickers the ! and the door open warning light!

 

-Ian

 

And when you first saw this, what were you first words "WTF" and took your foot of the loud pedal :eek:

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