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91 Ranger 2.3 problem(s)


Kenneth S

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Aug 12, 2007
Messages
527
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Location
San Antonio, Tx
Vehicle Year
1986
Make / Model
Ford
Engine Size
2.3
Transmission
Manual
Since I don't mess with the EFI Rangers that much I need some help. My brothers 91 Ranger started running real rough, and pouring out black smoke on his way to work. It cleared up before he made it to work, the first problem is that he has to un-hook the battery because sometimes it will completely drain the battery (which as you know clears the codes). So it sat all day, he hooked the battery, and brought it to my house for me to work on (oh joy). It didn't act up from work to my house. I did pull a code 33, and a 52, I know the code 33 is the EGR valve opening not detected (no biggie). The code 52 PSPS circuit did not change states is no biggie either. Now after pulling the codes, and clearing them, and driving it some I can't get it to give me any codes at all :icon_confused: I am going to drive it around today after making sure the EGR isn't stuck, and "hopefully" it act up for me so I can "hopefully" get some code(s). I also want to try to figure why it's draining the battery, but since it's a intermittent problem it's going to be one of those :icon_confused:

Any ideas from what I provided so far? (god how I wish it was carbed like my 86).
 
Last edited:


tomw

Well-Known Member
U.S. Military - Veteran
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Aug 15, 2007
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Location
toenails of foothills NW of Atlanta
Vehicle Year
1985
Make / Model
ford
Engine Type
2.3 (4 Cylinder)
Engine Size
lima bean
Transmission
Manual
2WD / 4WD
2WD
My credo
vertical and above ground
If the fuel pressure regulator got stuck, the injectors would provide too much fuel causing black smoke, and terrible fuel mileage. A sticking injector is possible, but not likely in a Ford. I would check the fuel pressure on the fuel rail.
tom
 

Kenneth S

Member
Joined
Aug 12, 2007
Messages
527
Reaction score
7
Points
18
Location
San Antonio, Tx
Vehicle Year
1986
Make / Model
Ford
Engine Size
2.3
Transmission
Manual
I have been driving it for the last 2 days (300 miles), and it hasn't missed a lick in fact it's been running damn good for me so far. My brother gave me the money to replace the fuel, and air filter, spark plugs, and wires since it's been a little while when they were changed. The "old" filters, plugs, and wires looked pretty good, and the plug wires did good on the ohm meter test. Still no codes, I'm going to drive it for a few more days because he wants me to (he's even is paying for the gas) he wants to see if it will act up while I'm driving it.
 

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