Question about Ford F-350
If this is a Diesel, the glowplug timer is bad or the glowplugs are bad. For either Diesel or a Gasoline unit the fuel should be available at startup.
Slightly different problems for fuel delivery for each system but pressure can be read with proper tools to let someone diagnose this and eliminate or confirm whether the engine is fuel starved. Then repaired to solve lack of fuel pressure.
Posted on Apr 22, 2015
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Posted on Jan 02, 2017
I just copied this from another site. Better check to see if there is power going to the coils first.
The coil pack consists of 2 coils molded together. High tension leads route to each cylinder from the coil. The coil fires two spark plugs every power stroke. One plug is the cylinder under compression, the other cylinder fires on the exhaust stroke. Coil number one fires cylinders 1 and 4. Coil number two fires cylinders 2 and 3. The PCM determines which of the coils to charge and fire at the correct time. The Auto Shutdown (ASD) relay provides battery voltage to the ignition coil. The PCM provides a ground contact (circuit) for energizing the coil. When the PCM breaks the contact, the energy in the coil primary transfers to the secondary causing the spark. The PCM will de-energize the ASD relay if it does not receive the crankshaft position sensor and camshaft position sensor inputs. The OEM ignition coil lists for about $105. Warning - The direct ignition system generates approximately 40,000 volts. Personal injury could result from contact with this system.
Posted on Sep 17, 2009
ive had the same problem. turn the key and listen for the fuel pump. if you can hear it. good. next take the ignition control moduel off the truck. it's located above the coil pack on the passenger side and is not much bigger than your thumb. they cost about $85 or so at autozone. you may even be able to get yours tested. when i tryed to get mine tested we had to go by the paint mark because they were missing the harness. look for a paint mark on the back from the factory. it is either yellow or white. when they burn up the paint color changes from one to the other. the replacements don't have that.
Posted on Oct 12, 2009
SOURCE: F150 cranks but wont start
Hi, You did not mention what size engine is in this vehicle or mileage, but your starting issue sounds like it is related to the ignition control module. I am assuming the fuel pressure is ok at this point. The control modules are known to act up over time and can cause a driveability problem that your experiencing. The module will look like this;
Posted on Mar 12, 2010
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