1986 Ranger running problem
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Freshman User
Joined: Jan 2002
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From: Hope United States of Ame
1986 Ranger running problem
My Ranger will start and run at Idle but as soon as you step on the gas it will stall.I've checked all the wirer and sparkplugs. It started running weird about a week ago. It would run on 3 cyclinder until it warmed up then it run on all four but only after it warmed up. The engine is the 2.3 liter which was replaced earlier this year.
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Freshman User
Joined: Jan 2002
Posts: 26
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From: Hope United States of Ame
1986 Ranger running problem
Change the low pressure fuel pump, fuel filter,and now the regulator. New pump was putting out 90 PSI and nothing going back to tank. Changing the last item today. There was also a sump like device inline before the fuel filter that I replaced. What else could be defective.
Thanks
Lobo33
Thanks
Lobo33
Post Fiend
Joined: Dec 2001
Posts: 10,562
Likes: 4
From: South Jersey
1986 Ranger running problem
If you still have high fuel pressure after the regulator is replaced check for a clogged return line. Are you refering to the high pressure pump?
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Freshman User
Joined: Jan 2002
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From: Hope United States of Ame
1986 Ranger running problem
The pump I replaced was the pump in the tank which I'm told is the low pressure pump. Lots of fun replacing it.
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Freshman User
Joined: Jan 2002
Posts: 26
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From: Hope United States of Ame
1986 Ranger running problem
Well I got the Ranger running. I ended up changing out the fuel pump on the tank, the fuel resevoir that's located just before the inline filter and finally the fuel pressure regulator. What I didn't know was that the fuel resevoir which by the way is not even mentioned in the Chiltons manual, has a filter in it and I believe thats what started the whole problem. That filter became plug which caused my tank pump to fail. From what I've learned Ford only put this device on for a year or so. What I don't understand is why they put it in front of the inline filter. Oh well you learn something new each day. I appreciate the help and am glad to report the old truck is running like a top. Again Thanks I really like this site.