Question about Ford Cars & Trucks
F250 diesel 6.0 that cranks but won't start. Truck ran fine; parked overnight, AM turned key on, waited for glow plug bell to stop, cranked but wouldn't start. repeated several times. Drained under body fuel filter; under hood fuel filter bowl full. Engine oil fine. Fuses 10 & 20 AMp under hood on drivers side near firewall ok; fuses under dash ok, still won't start.
Try to have codes pulled to see if any codes relate to the starting issue.
Posted on Dec 29, 2013
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Posted on Jan 02, 2017
SOURCE: will not start
potential water in line. Red, plastic bottle of Gas treatment first. STP gas treatment highly rec. Definitely make sure you do not have any more gas leaks since the system relies on pressure. Any loss in pressure results in loss of fuel to injectors/carb. Start with the gas treatment first... go from there. Sounds retarded but believe me, this has helped countless people... including myself multiple times.
Afterwards, you will need to think on terms of electrical ignition problems:
HV coil wire
clogged filter or reversed direction filter [recheck even though it is new]
Posted on Oct 15, 2008
no wait to start light is a good indication that you need to check you glowplug relay and harness. Make sure you have 12V in and out of the relay. Also if you can check to see if you have good continuity to ground through your glow plugs. This is kind of hard to do on this engine, sometimes it is OK just to check the AMP draw for the leff and right group of wires. Do this by putting an AMP clamp around all 4 wires to the left and right bank. Wait about 45 sec. for the relay to click off (if it clicked on) and then record the amps right before the relay turns off. Let me know what the amp draw is and I can check it against the spec sheet. Se you amp clamp above 100 amps, it might start around 60A and end up around 36A if I remember correctly.
Posted on Apr 18, 2009
SOURCE: 99 f250 diesel wont crank
First thing to check for is if the starter has a thermal overcrank or not, thermal overcrank sensor is located right on the starter it should have two wires going to the connector, check to make sure you have a ground to one wire at key engine off, next if ground is present on one wire plug back into sensor on starter and make sure ground is bridge or present on other wire, if ground is not transfer to other circuit when plugged in then thermal overcrank sensor is bad than just jump circuit or replace sensor, now if ground is not present on either circuit at key on engine off than applied ground to both wire and retest starter cranking at key switch, please update once test is complete, thanks.
Posted on Sep 23, 2009
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