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The mkiv Supra Owners Club

SOS, I've thrown the towel in - overfuelling


The Raven

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Has it got an FCD fitted? If so remove it and out the wiring back to stock.

 

Nope not as far as i can see.

 

 

The engine was stock as far as i know. I have a feeling its something sticking where the block sat for a while in my lock up. I will swap the whole rail out and then see what happens.

 

Im taking my cam next week so i can post vid of it doing its thing.

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Start by finding and posting the injector dwell time on cranking. If you don't have the means to do this you are wasting your time (and time IS money). Then we cann see if the injectors are firing something like correctly. Also post fuel rail pressure with no vac to the regulator. Signal voltage levels from MAP, TPS and coolant temp sensors next.

 

Absolute cheapest way to have even a clue about injector timing is some Noid lights off Ebay, but you should just get a pro to have a look at it.

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In the grand scale of building and running these things if you had to trailer it to John 'O' Groats and back it would be chicken feed against your overall annual costs. I would take somewhere with a proven record of engine diagnostics. Whether they have even ever seen a Supra or 2JZ-GTE is irrelevant. A car is a car, a loom a loom, sensors are sensors and they all work on the same basic principles. Judge them on whether they understand these basics and have the gear to analyse and isolate an issue without parts bin swapping. My address is in my sig..... ;)

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  • 3 weeks later...

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