Question about Cars & Trucks
Check all battery connections are good and clean and tight if they are and that is not the problem. Try jumping battery with cables if it starts it will usually be a bad battery or alternator or starter moter,.check voltage at battery should be 13 volts or better. If less charge battery load test battery or take it to auto parts store and have it load tested. if battery is good check voltage with car running it should be between 13.5 and 15 if lower or higher voltage check belt on alternator (if lower voltage). If voltage is high or low and belt is ok remove alternator and have tested at any parts store .It is usually free. If none of these items check bad Remove starter motor and have it tested . again free at most auto parts stores.n If this was helpful please leave good feed back
Posted on Nov 30, 2014
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Posted on Jan 02, 2017
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
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