1989 Plymouth Voyager fuel pressure test

1989 PLYMOUTH VOYAGER
170,000 MILES • 6 CYL • FWD • AUTOMATIC
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MACHINEGUN
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  • 10 POSTS
where do i test the fuel pressure? if its the fuel rail, do i have to take off the air intake plenum? i bought a gage and dont know if i got the right one.i got an actron cp7818,my manual isnt clear, can you help me????
Feb 4, 2009 at 2:42 PM
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F4I_GUY
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Look for a black threaded cap on the fuel rail. I am ensure if the older models had the service port, but most vehicles do. You shouldn't have to remove the plenium or any component to access the service port.

If there is no service port, you will have to run it inline with one of the fuel lines.
Feb 9, 2009 at 3:11 PM