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Ask A. Penland Your Own Question
A. Penland
A. Penland, Ford Senior Master Technician, ASE
Category: Ford
Satisfied Customers: 6599
Experience:  ASE Master Certified, ASE Advanced Gasoline Engine Performance
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Replaced computer 'crankshaft sensor plug wire and

Customer Question

Customer: ***** ***** replaced computer 'crankshaft sensor plug wire and initioncoil pack and fuel pump truck cranks but not starting
JA: Thanks. Can you give me any more details about your issue?
Customer: okay it was running i went and fill upon gas came home shut it off the next morning wouldn't start just crank eveybody said fuel pump so i replace it still wouldn't start hook up scaner code would read so everyone said computer so i went to order the computer and the auto part man siad try the crankshaft sensor so i did truck started and drove it around all weekend come monday morning would crank but not turn over so i replaced the plug s wires and inition coil and computer and still cranks but no starting
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Customer: yes
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Submitted: 1 year ago.
Category: Ford
Expert:  A. Penland replied 1 year ago.

What year, make and model Ford are you working on?
What engine does it have?
Did you get any trouble codes from the PCM (Engine Computer)?

Customer: replied 1 year ago.
92 ranger xlt 4x4with a 4.0
Expert:  A. Penland replied 1 year ago.

When you turn the key to on, does the check engine light come on?
Does the check engine light go out while the engine is cranking over?

Customer: replied 1 year ago.
Expert:  A. Penland replied 1 year ago.

Ok. We need to see if you have no fuel or no spark to the engine.

On the engine you have a fuel test port that looks like a tire valve stem. Push the needle valve down and see if you get a large spray of fuel.

Please let me know.

Customer: replied 1 year ago.
have fuel
Expert:  A. Penland replied 1 year ago.

Ok. Remove a spark plug and place it into the plug wire and place it on a good ground. Do not hold it. Then crank the engine over and see if you get a bright blue/white spark.

Customer: replied 1 year ago.
no spark
Expert:  A. Penland replied 1 year ago.

Thank you. We are narrowing it down.

Do you have a test light to do a couple electrical test on the coil pack and the ignition circuits?