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James, Ford Technician
Category: Ford
Satisfied Customers: 3630
Experience:  Ford Senior Master Tech, Ford gas and diesel expert, ASE Certified
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It's a 4.2 l. It cranks but will not start unless we use

Customer Question

It's a 4.2 l. It cranks but will not start unless we use starting fluid
JA: Does the engine turn over? How old is the battery?
Customer: New battery .yes it turns over
JA: Tell me a bit more about what's going on so he can help you best.
Customer: I changed the fuel pump, it cranked up and run. So I decided to change plugs and wires and now I can't get it to start unless I spray starting fluid in the tbodyB
JA: Are you hoping to fix this yourself?
Customer: I would like too
JA: Is there anything else important you think the Ford Mechanic should know about your Ford?
Customer: N of that could think of
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Ford Mechanic about your situation and then connect you two.
Submitted: 1 year ago.
Category: Ford
Expert:  James replied 1 year ago.

Hello, do you have a way to test fuel pressure? When you turn the key to the on position does the theft light begin to flash fast?

Customer: replied 1 year ago.
it's flashes aĺl the time
Expert:  James replied 1 year ago.

When you turn the key on the light should come on for three seconds and go out. If it is flashing fast you want to first replace the PCM power relay and see if this corrects the concern.

Customer: replied 1 year ago.
Where is the PCM power relay located.
Expert:  James replied 1 year ago.
It is under the hood. Do you have an owners manual?