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MY 1991 Ford camper won't start E-350

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MY 1991 Ford camper won't...
MY 1991 Ford camper won't start E-350
Submitted: 2 months ago.Category: Ford
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Answered in 9 minutes by:
5/31/2018
Ford Mechanic: Edward, ASE Certified Technician replied 2 months ago
Edward
Edward, ASE Certified Technician
Category: Ford
Satisfied Customers: 3,769
Experience: ASE certified. Auto Transmission rebuilder for Ford Motor Co. from 91 to 2000
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Hello and thanks for your question. My name is ***** ***** I will do all I can to help.

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Ford Mechanic: Edward, ASE Certified Technician replied 2 months ago

Is this gas or diesel? thank you.

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Customer reply replied 2 months ago
gas
Ford Mechanic: Edward, ASE Certified Technician replied 2 months ago

Alright, do you know if you have fuel pressure? should be 35-45 psi with key on engine off. Also, can you check for spark out of the coil when cranking with a spark tester? thank you. If you don't have a spark tester, try an old plug, or see if it will run briefly spraying starting fluid in it.

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Customer reply replied 2 months ago
now Im waiting for the person working on this camper to get back
Ford Mechanic: Edward, ASE Certified Technician replied 2 months ago

OK, sounds good. See if he can check for spark when cranking it to the plugs or out of the coil first. Then get a fuel pressure gauge on the fuel rail, there is a schrader valve there on the fuel rail near the injectors.

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Ford Mechanic: Edward, ASE Certified Technician replied 2 months ago

My thoughts are it will wind up being an ignition control module, possibly the cap or rotor if it doesn't have spark, or a fuel pump relay or something in the fuel system keeping it from building pressure. But we need to isolate what it's missing, either fuel pressure or spark.

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Customer reply replied 2 months ago
no fuel preasure
Ford Mechanic: Edward, ASE Certified Technician replied 2 months ago

Alright, the intertia switch is up on the firewall drivers side it's got a red button on top of it, push that red button down, make sure it's not tripped, also, if you can, check power on the two wires at that switch, should have battery voltage when cranking.

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Ford Mechanic: Edward, ASE Certified Technician replied 2 months ago

It's on the drivers side up by the brake pedal, inside the truck, unless they moved it on RV. but I don't think they did.

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Customer reply replied 2 months ago
no red button there
Customer reply replied 2 months ago
there isn't a red button near the brake pedal
Customer reply replied 2 months ago
thank for your help I am going to call a garage to come get it and fix it
Ford Mechanic: Edward, ASE Certified Technician replied 2 months ago

He needs to check the voltage on those wires at that switch, Also, if he can't find the switch, then there is a fuel pump relay under the hood that is black and green, pull the relay and check for power on two of the relay socket pins with the key on. Should be power on two of the pins there.

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Ford Mechanic: Edward, ASE Certified Technician replied 2 months ago
Did you figure out what was going on with this no start issue? Thank you.
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