Help me find this part. I replaced it with a Doorman 590-001. Is this the right part? 2005 ford explorer Adrenalin sport trac 4x2
Truck was running fine when parked but would not start when I got back in it. Cranks but will not start
Inertia switch - checked
Battery - new
Alternator - new
Spark plugs - new
All fuses & Relays - checked
Fuel rail sensor - replaced
Fuel pump - replaced
Fuel pump driver module - replaced

 

Have you tried spraying starting fluid or throttle body cleaner into the intake to see if it will start off of starting fluid? You need to determine if you are not getting fuel or not getting spark.

-Rod

 

OK, I called a Mobile Mechanic out to look at my Sport Trac. Here's what happened

Checked all previous problems listed above

crank, crank, crank, hydraulic lock

​We think 1 or more of the injectors is stuck open

​pulled plug and gas in the cylinder, haven't checked the others



So based on this, I will, drain oil, remove all plugs, all new injectors

 

Did the Mobile Mechanic check for spark? If there's nothing trying to ignite the fuel, it could continue to pool up. Did they check fuel pressure? This will also help you determine if the Fuel Pump Driver Module is working or not. If injectors are stuck, the KOEO rail pressure will drop quickly.

If the answer to either of those questions are "No" and the mobile mechanic knew the symptoms before they came to your vehicle, you may want to find a different mobile mechanic for future similar issues, if any.

-Rod

 

it has spark. This model doesn't have a fuel port. Brand new fuel pump module. It has fuel pressure because it's shooting a tone into the cylinders, enough to cause hydraulic lock and drain into the crank case. I've been working on engines since I was 12, from minibikes to race cars to my 4 vehicles now. So in 54 years, I have an idea how things work. The mechanic and I talked and I think he knew his stuff. If you think of anything else please let me know

 

With no Schrader valve on the fuel rail you may need to use a Master Fuel Pressure Test Kit to install in series with the spring lock connector to the fuel rail. You questioned in your first post whether or not you have the correct fuel pump driver module, so one way to help determine if you have the correct part is to determine if the pump is delivering an appropriate amount of fuel pressure - not too much, not too little. In addition, as described above, this will allow you to monitor how quickly the fuel pressure drops. If an injector is stuck open, the rail will not hold pressure very long after the pump stops running. If you or your mechanic of choice don't have one of those readily available, you can instead use a mechanic's stethoscope to listen to each of the injectors when cranking the engine over to confirm each injector is clicking. If one or more are stuck open, they won't be clicking, or at least won't be clicking as loudly as others. If so much fuel is getting past the rings that you're noticing it in the crankcase, you may want to remove power from the fuel pump to do this test so that you don't further degrade the oil and risk bearing damage. With your experience, you probably can gauge whether there's already too much fuel in the oil to continue to crank the engine over for troubleshooting.

Since you didn't initially mention you have spark but have now confirmed it does, are there other troubleshooting details you've done that might help folks here offer suggestions on things to try without suggesting things you've already done?

-Rod

 

Thanks for that Rod. I've drained the oil and taken the plugs out. since there was a Hydro lock from gas, and gas in the oil, I've fogged each cylinder to prevent rust or anything from sticking the rings. I've ordered new Bosch injectors and some gaskets. I think this was the problem but we'll see
Dan

 

Sounds good. Please follow up and let us know either way if this takes care of it or if further troubleshooting is needed.

-Rod

 

Have you also eliminated the possibility of a short to power on one/more injector circuit,, this would hold the injector open..

I would connect a scope to the injector circuit and record the wave form.. Can be done from the fuse panel with a fused shunt and a current clamp.