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The mkiv Supra Owners Club

My Supra and NSX


Blut_VTEC

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I have a question;

I found the rear-end of my supra very nervous, and it has a lot of oversteer.

The rear tyres had very little profile, so I changed the wheels from a set I had left from the NSX (16" in front, 17" in rear) wich have 6 mm thread left.

I think the car is a little bit more stable, but not perfect. And the oversteer is still there ...

If I drive 10 mph in second gear on a dry paved steet, and flip the wheel and give it a little bit of power the back will go so easy

 

I went to the garage, they couldn't find anything wrong about the car, only the rubbers in de rear traction rods had a little bit of... how to u call it in english... space ?

But it was still in tolerance of the MOT.

 

Is this my problem ? Probably for the stability yes, but also for my oversteer ??

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I got a hint from a specialist, that it could be that there is another differential installed, that the car is used for drifting.

And that I could check this by jacking up the rear of the car and spin the rear wheel and look if the other wheel is spinning the same direction.

when in gear the wheels are spinning in opposite direction, and when in neutral the wheels are spinning the same direction.

 

Does this mean that i can ignore the diff ? it's stock ?

 

I also asked "dr_jekyll" on this forum, he used to own this car, but he is not responding.

 

I didn't had a wheel alignment check, I will do this ASAP.

 

Any other advice for its twitcy rear end ?

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  • 3 weeks later...

I ordered rear lower toe control arms for my supra from Megan Racing, because they were not good anymore, after that i will get the wheel alignment checked. Hopefully the twitchy rear end will go away :)

 

another question;

I was driving for about 10 minutes and the CEL goes on....

The car still drives the same, so i drove home, turned the engine of, and on again, the CEL returned 1 minute later.

Can i diagnose the error code by my self ?

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I ordered rear lower toe control arms for my supra from Megan Racing, because they were not good anymore, after that i will get the wheel alignment checked. Hopefully the twitchy rear end will go away :)

 

another question;

I was driving for about 10 minutes and the CEL goes on....

The car still drives the same, so i drove home, turned the engine of, and on again, the CEL returned 1 minute later.

Can i diagnose the error code by my self ?

 

Sure, if you click on the blue error code on your post it will take you to the thread on how to do this. :)

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Thanks ;)

 

Ok, so I just checked the CEL, and I believe there are 2 errors:

 

http://imageshack.us/clip/my-videos/252/3zv.mp4/

 

42: no.1 speed sensor signal circuit;

all conditions below are detected continuously for 8 sec. or more:

(a) No. 1. speed signal: 0 mph (km/h)

(b) Engine speed: Between 1500 rpm and 4000 rpm.

© Coolant temp.: 80C or more

(d) Load driving

 

55: Knock Sensor Signal (rear side)

No No. 2 knock sensor signal to ECU for 4 crank revolutions with engine speed between 2050 and 5950 rpm

 

 

So.. uhm, where to begin ?

Is error 42 maybe a result of changing the cluster ?

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Thanks ;)

 

Ok, so I just checked the CEL, and I believe there are 2 errors:

 

http://imageshack.us/clip/my-videos/252/3zv.mp4/

 

42: no.1 speed sensor signal circuit;

all conditions below are detected continuously for 8 sec. or more:

(a) No. 1. speed signal: 0 mph (km/h)

(b) Engine speed: Between 1500 rpm and 4000 rpm.

© Coolant temp.: 80C or more

(d) Load driving

 

55: Knock Sensor Signal (rear side)

No No. 2 knock sensor signal to ECU for 4 crank revolutions with engine speed between 2050 and 5950 rpm

 

 

So.. uhm, where to begin ?

Is error 42 maybe a result of changing the cluster ?

 

nobody ?

 

 

Try posting these results in the Technical Section as not everyone checks the Newbie Section :)

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