Whats the best way to check fuel pressure on D17's?

Specifically, should I create some sort of adapter to hook up using male & female ends of the quick release (is this possible?) or do i have to add a t-joint to the fuel line and then repair using a straight section.

 

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First you're going to need to relieve the fuel pressure before you disconnect the fuel line.

1. Remove the main fuel relay. Behind the glove box, there are two relays next to each other. Remove the one on the left.

2. Start the engine and let it idle until it stalls.

3. Turn the ignition off.

4. Remove the gas cap to relieve tank pressure.

5. Disconnect the negative battery cable.

6. Remove the fuel feed-pipe mounting bracket, and the quick release fitting covers. (clean them if they're dirty so you don't get dirt in the system.

7. Put a rag or shop towel over the quick release fitting, then disconnect it.

8. Attach the fuel pressure gauge.

9. Put the main fuel relay back in, reconnect the battery, cycle the key to the ON position (II) until the gauge starts reading pressure. The fuel pressure should be between 40 - 47 psi.

If the pressure isn't to spec, try replacing the fuel filter (it's part of the pump unit, in the tank) and pressure regulator, then recheck. If it's still not right, replace the fuel pump.