Join Date: Sep 2016
Location: North Auburn, CA
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No start after fuel filter(s) changed...
Changed the filters on my F-350 today. Both the frame rail one and the engine mounted one. Used Motorcraft OEM filter(s) purchased from O'Reilly's auto-parts store.
When I drained the rail-mounted filter before replacing the fuel looked good & clear. Filter was dirty (see attached pic). Truck has 32,500 on the clock.
Other pictures show the connections to the engine mounted filter. Since that one is a sealed unit, without cutting it up I can't inspect. Anyway, I noticed that the yellow connector has a "T" in it, that I didn't notice when reviewing the "how-to".
Anyway, that may or (more likely not) be related to the issue at hand.
After reconnecting all fuel lines (and triple checking they were all secure and tabs were locked down). Reconnected the WIF connector on the frame-mounted filter.
Primed ignition half-a-dozen times or more (turn key on, wait 30s, turn key off). After 6+ times, cranked engine. Engine cranks but no start.
Primed another 10+ times. Engine cranks, but no start.
Re-checked all fuel and electrical connections.
Dropped frame filter and made sure it was filling with fuel. Added more fuel into the filter "cup" and re-screwed it on.
Primed ignition a few times.
Cranked engine - almost starts. Then dies. This only happened once.
Repeatedly primed pump. Crank engine. No start.
Repeat until batteries almost die.
As it stands now, I have the batteries hooked up to a charger and I am going to leave it over night.
What did I do wrong? I've reviewed my steps and I can't find fault.
I am getting a fault code indicating insufficient fuel pressure, but no check engine light (CEL).
Last edited by bogeyman; 11-22-2016 at 11:09 PM.