Question about 2004 Ford Explorer AWD
Starts but won't stay running
Posted by Anonymous on
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Posted on Jan 02, 2017
Sorry you said camshaft sensor look behind the intake manifold back next to the firewall the sensor should be their but, i don't no about a pulley but there is a camshaft synchronizer beneath the sensor itself.
Posted on May 11, 2011
Testimonial: "thanks for that great help"
The first thought that comes to mind is a high pressure oil leak. The
injectors have a snap ring on top that sometimes becomes detached and
it will create these symptoms.
When you depress the brake it sends a signal to the PCM (Powertrain Control Module) and the PCM increases the idle because it predicts you are about to shift into gear. If the truck has a high pressure leak inside the engine it will have a hard time building pressure initially and once the oil warms and thins out the High Pressure Oil Pump cannot hold the pressure and the oil leaks faster because it is thinner.
You may have a leak around the pump area which is under the turbo also. The IPR which is the regulator that controls the oil pressure may also be bad. It is directly under the turbo as well. The IPR is located under the turbo on the High Pressure Oil Pump cover. You stated the seals were leaking on the IPR itself? If the orings are damaged or if the screen in the end of it is collapsed or even punched through with a small hole it will need replaced. Screen damage is usually a sign of debris entering it from either dirt from a previous repair or something is coming apart inside.
Make certain you have clean oil and fuel filters. Yor may want to check fuel pressure as well. It should be somewhere around 55psi on acceleration.
Additionally, I suggest check for voltage at the connector on the fuel pump. The pump is mounted in the filter housing on the frame and the connector is at the front of it. The pink and black wire should have 12 volts with the key on for about 30 seconds. If the pump has voltage but is not running, then your pump has failed. If there is no voltage then check fuse 2.40 in the central junction box. This is the fuse that feeds the inertia switch through the fuel pump relay. I have included a fuse box layout and a wiring diagram (click over images for zoom)...
Additionally, will need to scanned the PCM to know if some fault code is stored there.
Keep us updated.
Posted on Oct 08, 2011
Check for vacuum leak at intake manifold or bad fuel pump relay or have fuel pressure checked to see if fuel pump is working properly 40-45 psi it should be pumping
Posted on Dec 18, 2011
two engine systems has things to do with this problem, fuel and ignition.
part of the system you're going to check.
fuel pump regulator(fuel) and if it has spark(ignition).
have a shop with scan tool to diagnose exactly the other problem(s).
Posted on Feb 21, 2012
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