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V8-5.4L

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Question
truck cranks but wont start
Verify that the fuel pump is getting power when you crank the engine. You should have 12 volts at the connector. If not, then the fuel pump circuit has to be diagnosed. Start with the basics. Make sure fuses are...
Question
Back up lights stay on in all gears
If you can remove fuse number 5 in the fuse box under left side of dash turns off the lights when you have the vehicle running then you have a shorted neutral safety switch on the transmission. You should replace...
Question
99 for f150 starts then shuts off immediately
Hi There, I would suggest checking the idle air control valve to be sure it is not sticking. The idle air control valve monitors the air intake as it is mixed with fuel prior to being injected into the engine...
Question
Front A/C fan not blowing, but front seat cooling and rear A/C fans are working.
What you are describing sounds like a failure of the blower motor that circulates air in the HVAC system, however, there are certain faults that could occur in the electric circuit that powers the blower motor. If power is reaching...
Question
i have a ford expedition 98 and it stopped working out of the blue after driving for 20 min and parked we replaced the starter and
If the battery is new and charging system output has been measured and is within specifications (you should check that of course), the only reason a battery will discharge is if the car sits for a long period of time...
Question
My truck died while driving. Now will start, but dies when I push brake. If I start in neutral, I can put in drive and go but dies - 2003 Ford F250
Hello - your symptoms suggest that once your cold start features are no longer needed - engine warming up - there is an air "leak" that ruins low speed running. Causes could be a leaking exhaust gas recirculation (EGR) valve,...
Question
I am about to replace engine in my 1998 lincoln nav it had 240 thousand miles i have an engine trying to find a good e to have it
To remove and replace the complete engine, the labor time is in the range of 14 to 18 hours . The variance is due to different requirements in the 4WD version versus the RWD version and there are at least...
Question
My vehicle is hard to start.
You can try checking fuel pressure. The fuel pump has a check valve that will not allow pressure to bleed back into the assembly as it pumps. If a fuel pressure gauge is hooked up, the fuel pump will activate...
Question
I have a 1997 Ford expedition that cut off while driving turn over but would not start the next day it would not do anything
Hi there. In general, when a car shuts off instantly and will not start again, it is due to three different issues. First, an ignition system component either broke or lost an electrical connection. Second, a fuel system component failed...
Question
I broke a fuel injector plug in, how do I replace it?
Hello, thank you for writing in. The type of repair you need to do is going to depend on what side of the clip you broke. If you broke the fuel injector side, you will have to replace the injector...
Question
Code no part
Claimed by Jay Safford
Question
Why does my truck only go forward? I changed the shift solenoid and other sensor on the transmission.
Check the sensors and make sure that the harnesses are plugged into the right sensors. If the wiring is correct, then the shifter to the transmission may not be hooked up properly causing the transmission to stay in a forward...
Question
My truck will not start.
It is not good practice to run the fuel tank so low on fuel before refueling as the fuel in the tank cools and lubricates the fuel pump while it is in operation. IF the engine cranks over and does...
Question
SUV stopped running won't start does turn over . Battery light flashes when attempting to start. Acts like starving for gas .
Hello, thank you for writing in. Because the vehicle is new to you, it is difficult to point yourself in a good direction, and we will have to start with the basics. Due to the fact the battery light is...
Question
AC Compressor
It is possible that the compressor is not faulty. The a/c system may be low on refrigerant due to a leak. The a/c system is a sealed system much like the a.c in your home. There are pressure sensors located...
Question
Turns over but will not start and has a strong odor of gas.
Check the location of where the fuel smell is emitting from on your vehicle. If the fuel smell is coming from the fuel tank area, then the fuel pump, fuel line, fuel filter, fuel fuller neck, charcoal canister, or the...
Question
Timing marks does not come back to TDC after I hand rotate it on a 5.4 2006 Triton.
When rotating the crankshaft and turning the engine over, the camshafts will realign after the crankshaft has turned twice. Now, the marks on the timing chains will take around 15 rotations to line up on the timing marks on the...
Question
Can I take my front driveshift out and not use 4wd until I get the parts? There in only driving 2wd.
Hi there. If the front axle has a full time 4WD system, then you cannot just remove the front driveshaft and drive the vehicle in 2 HI as the front wheels will turn all of the parts in the axle....
Question
I need the fuse description for my 2010 Ford Expedition.
The information you are looking for should be in your owners manual. The manual will tell you where each fuse box is, describe the circuit each fuse controls and show the amperage rating of each fuse so when they are...
Question
Engine internal upgrades
Hi there. I don't believe there is anything you can install on an OEM motor that will help it last longer. To be honest, I've never seen a timing chain problem on a Ford 5.4 Liter motor unless there was...

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