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The mkiv Supra Owners Club

Engine Warning Light


evanshaw

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Hi Everyone,

 

Hoping someone can help me, I've a MkIV TT Auto Jap Import, had it now since June last year and no problems apart from over the past month or so. The engine light keeps coming on when I get to about 3200 rpm and also I've noticed the "Overdrive Off" light keeps constantly flashing.

I had the delimiter taken off as a friend said it could be giving false readings to the Engine Computer, but it's made no difference. So I took it to a chap in chesterfield who said he was seeing weak signals from the speed sensors, he reset them, tested the car and said everything was now fine. On the way home it happened again!

How likely is this that it's a speed sensor causing the problems? Anyone else had similar problems or have any ideas?

Any Clues would be great as summer is fast approaching!

Thanks in Advance......

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Hello Evanshaw

 

This happened to my J-Spec aswell, I think it is to do with the speed sensors aswell as cheap speedo conversions etc when they arrive in the uk.

 

I contacted Thor Racing and Pete fitted one of his DSC Units, since then I have had no problems, I suggest you give him a bell he is based in Warwick.

 

Cheers

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Most likely to be a dodgy speedo conversion. The OD light flashing is a telltale of an autobox fault code (I think).

 

BTW. You can't "reset" a speed sensor. You can reset the ECU, though. Maybe this is what your chap did?

 

Welcome to the board BTW :)

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