Thank you excellent details you presented. I often wondered how to deal with the fuel pressures. I now assume every time the car is shut down the fuel pressure bleeds down? I tried to help a friend just disconnect the turbo controller and couldn't even figure out through a mirror how to remove the catch on the control rod! Intimidating under the hood for me anyways hopefully not for long though.

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92 e300d2.5t
01 e320
05 cdi
85 chev c10