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L6-4.9L

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Engine doesn't wanna warm up
You should have the vehicle checked to see if the engine is not running hot enough or the coolant sensor is not reading the correct temperature causing an incorrect gauge reading from the engine actual temperature. If you have already...
Question
Engine takes too long to warm up runs poor until it warms up.
There is only two possible causes of an engine running colder than it is supposed to. The fan clutch may be locked up and would cause a load on the engine and excessive airflow across the radiator not allowing the...
Question
Q: Rear brakes locking up.
If the ABS light is on, there will be diagnostic codes to access. Those codes will provide enough clues to dig into this. I would first obtain those codes simply because they will give a direct indication of what components...
Question
Dies when you stop pushing the gas.
Hi there. There could be an issue with the throttle body sticking and not adjusting correctly. Check the idle speed when the vehicle is parked in park and then in gear. The engine idle should be around 1000 rpm's in...
Question
Fuel pump just clicks once not running
The fuel pump is going to be the most common cause of the loss of fuel pressure. I recommend having the fuel pump replaced. The fuel system and pressures should be completely checked prior to replacing the pump. I recommend...
Question
rear gas tank built up pressure leaking gas out gas cap
There was a recall back in the early 90's for this problem. The cause was the fuel pumps would use the fuel and then return it to another tank through the switching valve and the fuel pumps. The repair was...
Question
replace oil pump and pick up tube
Hi there. Typically when the oil pressure changes based on the type of oil you are using, it's an issue with the pick-up itself. Quite often, the wrong sized or style of oil pump or a pick-up line that is...
Question
Truck won't stay running no check engine codes
You should first identify if the vehicle has California emissions or not. The difference is one will have a mass air sensor in the air cleaner and the other will have a MAP sensor mounted on the a/c evaporator case...
Question
Q: Engine problems
Hi Victor. Thanks for sending your question and posting the videos. It sounds as if you've got a rather serious engine knock, likely a damaged intake valve lifter or rocker arms that are loose. Usually, this type of damage occurs...
Question
Brake pedal won't come back up once pushed down
Do you have a Ford hydro-boost system? If so, faults in that system can cause no or poor pedal return; to resolve the issue with a hydro-boost type system, please refer to the detailed diagnostic decision tree in the factory...
Question
Q: engine rattling noise
Claimed by John Hege
Question
1995 f150 Possible blown head gasket
It sounds like you may in fact have a blown head gasket. A blown head gasket may cause a number of different symptoms. A head gasket that fails between cylinders will generally cause a misfire and potentially compression leaks from...
Question
Q: Hesitation when accelerating
There are a number of things that may cause the car to hesitate when accelerating such as low fuel pressure, a dirty or faulty mass air flow sensor, clogged or dirty fuel injectors, a faulty throttle position sensor or potentially...
Question
Cranks, will start if check engine light goes off. If light stays on, no start
If you have the ignition switch out of the vehicle then you may be getting a switch that is not making good contact internally. I would first recommend replacing the ignition switch and checking connector for any problems in the...
Question
Testing pickup coil with ohmn meter
If you can operate the engine to bring it to normal operating temperature, the ohm readings will be more accurate (the following readings are for a hot engine). For the pick up coil (magnetic pick up assembly), connect your ohmmeter...
Question
Car clicks once but won’t start!
Considering everything that's been replaced, the most likely cause of this issue is faulty wiring or a loose connection somewhere on a part that has been replaced. My best recommendation would be to go over everything that has been replaced...
Question
Q: Airbag
Hello and thank you for your question. Air bags are a useful safety feature. If you live in a jurisdiction where auto inspections are mandated, the vehicle might fail inspection if any essential safety equipment is non functional. If you...
Question
Q: Engine noise
There is a few tests that should be done for the engine noise and the first is to find out what cylinder is not working and doing a compression test to see if the noise is a stuck open valve...
Question
I just installed a new fuel pump on my 1995 f150 xl.. I had thought the pump was bad.. But come to find out that there is no power
Hi Micah. Thanks for contacting us today. Typically, when you have an issue like this, it's caused by either an exposed electrical wire that is creating a short or a blown fuse/relay. The best advice I can offer is for...
Question
Q: Power problems
You may have defective ignition module or distributor pip sensor. I would suggest having a mechanic like one from YourMechanic check the problem for you or you can start by replacing the ignition module and see if it helps? You...

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