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The mkiv Supra Owners Club

Could this be it?


edge

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Ok so my symptoms as i described in another thread were as follows

- Get 0.7 on T1 and just before T2 comes in it drops by about 0.2 bar then all is fine after. Sometimes after a little blast if left on idle i blip the throttle and get a cloud of blue smoke.

But i have found this.

The pipes are all a little split near the ends and one hole is nearly as big as the exhaust itself.

image

 

Above - is this the thing that controls when the turbos come online?

 

image

 

Splits and big bore

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Didn't see the other thread you refer to, so am not sure if I fully understand all the symptoms you might be experiencing, but the blue smoke is likely to be valve stem oil seals if you're getting it after letting it idle for a while.

 

Get those hoses back on - you have 2 that have come off there. The one you've obviously spotted as you're holding onto it, and one has come off the VSV in the background also.

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Ok so ive replaced the pipes and no1 has stopped dropping a bit of boost before no2 tubbie.

Still feels a bit rough though, im think maybe the O2 sensor on the down pipe clogged/knackered.

On tickover i get a bit of blue smoke when i blip the throttle but not as much as it was and still no smoke at all on start up.

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