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b2 starting


85rx7_93ranger

Well-Known Member
Joined
Nov 8, 2009
Messages
208
City
Bemidji, MN
Vehicle Year
1990
Transmission
Manual
i was wondering if the fuel pumps were common to get weak or maybe the FPR because when this truck sits over night ill have to cycle the key a few times and it starts right up. otherwise it will act like there is not alot of fuel pressure and run shitty at low rpms for a few seconds
 
Yeah mine did that and the pump wasn't dead but on it's way out and so I replaced it then ended up have to replace the fuel pressure regulator to in the process
 
pull the vacuum line off the regulator if fuel drips out it is definately bad. if not it doesn't drip it does not necessarily mean it is good but this is a good quick check.
 

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