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1987 2.9 won’t start

bborland

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Jun 18, 2021
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Location
pasadena , CA
Vehicle Year
1987
Make / Model
ford ranger
Transmission
Automatic
New battery , new ignition coil, new fuel pump relay.

relay is not turning on so no fuel pump.

Checked voltage at relay and high fuel pressure pump , only getting 2.3volts with multimeter.

any help would be appreciated on where to go from here , I’ll attach photo of where fuel pump relay plugs into harness. Looks a little fried to me ?
 

Attachments



Paulos

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Location
North Carolina
Vehicle Year
1987 STX
Make / Model
Ranger
Engine Type
2.9 V6
Transmission
Manual
2WD / 4WD
4WD
I'd try the fuel pump relay bypass to see if you can get the fuel pump running. If that works, I would suspect the EEC power relay (which supplies power to the positive side of the fuel pump relay coil) or the ECM/computer, which controls the fuel pump relay. I've attached a couple pics that may help.

Fuel pump relay bypass.jpg

'87.jpg
 

bborland

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Location
pasadena , CA
Vehicle Year
1987
Make / Model
ford ranger
Transmission
Automatic
I'd try the fuel pump relay bypass to see if you can get the fuel pump running. If that works, I would suspect the EEC power relay (which supplies power to the positive side of the fuel pump relay coil) or the ECM/computer, which controls the fuel pump relay. I've attached a couple pics that may help.

View attachment 63246
View attachment 63250
Thank you Paulos , you were right,it was the EEC power relay. We are all set and running again. I appreciate it , take care
 

Paulos

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Messages
476
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Location
North Carolina
Vehicle Year
1987 STX
Make / Model
Ranger
Engine Type
2.9 V6
Transmission
Manual
2WD / 4WD
4WD
You're welcome. I'm glad it was a relatively simple/inexpensive fix. ECM's aren't cheap.
 

dirtymike

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Messages
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Age
61
Location
knoxville TN
Vehicle Year
1987
Make / Model
Ranger lwb
Engine Type
2.9 V6
Transmission
Manual
2WD / 4WD
4WD
Total Lift
1 inch spacers
Tire Size
P23575R15
My credo
Do unto others then Split-probasti me et chognuisti me
This should be a Sticky note. Good Stuff. I did it just to see it work. Thanks Paulos
 

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