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Discussion Starter · #1 ·
Hello guys not a supra but I swapped a 2jzgte vvti into my gs300, the car idles fine at a start but after reving it or acceleration the car will idle up & down to the point to where it stalls. Does anyone have a clue to why it could be doing this. I have stock ecu & twin turbos. I also noticed that it has a power steering pump with a connector and to my understanding it should not have that connector unless its from a 2jzge.
 

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The power steering pump "idle-up" vacuum connectors are there for both 2JZ-GE and 2JZ-GTE engines (on Supras).
 

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Discussion Starter · #3 ·
The power steering pump "idle-up" vacuum connectors are there for both 2JZ-GE and 2JZ-GTE engines (on Supras).
Mine doesn’t seem to have any vacuum connectors just a sensor connector. Theres also a small vacuum hose coming down from under the throttle body. Couldnt find a place for it so i blocked it off
 
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