Question about 2004 Ford F250
Time for replacement of or severe cleaning with fuelinjection cleaner..also if diesel, add cold start to the fuel system..check and replace oil filter type fuel filter since jelling of fuel may be a cold start issue..crack open an injector line and see if injector pump is pushing fuel really well..and see if air cleaner needs replaced blackened element is not good..good luck..
Posted on Jan 19, 2013
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Posted on Jan 02, 2017
It sounds more like the glow plugs, the older models had trouble out of the module, but the 6.0 is pretty safe from all those problems. And don't forget to use the correct fuel additive for diesel engines, it helps .
Posted on Jan 15, 2009
SOURCE: p0301 trouble code
The misfire is detected by the misfire monitor as a slight change in
engine speed which the PCM calculates back to a particular cylinder.
The monitor is active continuously, but associates problems into 3
types. Two of the types are monitored on successive trips. The first
trip the monitor detects a misfire it sets a pending code but not the
MIL light. If on the second trip the same problem occurs the DTC code
is set as current problem and sets the MIL light on. The MIL will stay
on untill the DTC is deleted. The remaining type is a most sever case
and signals the possibility of cat damage. In this case the misfire
monitor identifies the problem and the PCM determines it to be severe
and immediately sets the DTC as current and the MIL light to flash at a
rate of 1 per second until the condition is no longer present, at which
time the MIL stays on steady.
So once the P0301 is set it never turns off, except by code deletion procedure.
I think a lean burn condition could cause a misfire, but probably not from a PCV problem which should affect all cylinders equally. There would likely need to be another problem with that cylinder or intake or ...... .
Posted on May 02, 2009
Replace the glowplug relay.Its faulty.The glow plugs stay on until engine warms up.The engine temp switch then activates the relay to switch off.So it could be the temp switch also faulty.
Posted on Jul 17, 2009
SOURCE: Ford 150 runs rough when cold
Hi! Either the elbow at back of intake manifold is leaking or your intake gaskets are leaking. A very common occurance on both items and either one will set a lean code and illuminate the check engine light. Hope this info helps!
Posted on Sep 17, 2009
I have wondered why this happens many times in the past. You would think the marks should line up using #1 cylinder but they don't.
It has been a while but I think if you hook up to #5 ignition wire the marks will come up for you.You will need to undo the "spout" connector before setting it to 10 degrees before top dead center. The spout is a two wire jumper clip that should break out of the harness at the distributor.
Warm the engine up for a while so it doesn't stall as easy while you set the timing.
Posted on Nov 03, 2009
Testimonial: " Right on, timing it on #5 cylinder worked. I thought I probably had a bad damper but it appears o.k. "
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