Quote:
Originally Posted by assassin10000
The MR2 redtops single vvti have a return style system. Like many carsN so its checked like normal.
Only the Altezza/Blacktop/Dual VVTI is a returnless system where fuel psi is controlled by the ecu varying voltage to the fuel pump (iirc). So you just check pressure as the guage reads, no vac hose to remove or block off.
Andrew
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Thanks for all your input. In my case the fuel pressure is lower than stock and as mentioned its controlled by the ecu so how do i go about getting the fuel pressure back up to spec?