Q: 99 expedition rear locks will lock fine but when unlocking will make noise and come up a little but will not actually unlock

If the shift light comes on in your dash that means the computer has stored a faulty code and needs to be checked. That will probably tell you what is draining the battery. I would recommend having a certified technician...

There are a few common problems with your vehicle. The first is a problem with the EGR system. There is a pipe that cracks at a flex joint and causes a small exhaust leak, but that is normally heard all...

You may have a traction control system that is activating when you are accelerating. This can be due to one of two things: the speed sensors in the front detect that a wheel is going faster than it really is,...

First we must differentiate between the radiator cap and the coolant overflow reservoir cap. Most coolant overflow reservoir's don't have rubber on their caps, for this reason am not sure if your are describing the reservoir cap or the radiator...

Hello and thank you for contacting Your Mechanic. The code P0760 (https://www.yourmechanic.com/article/p0760-obd-ii-trouble-code-shift-solenoid-c-malfunction-by-valerie-johnston) means that the shift solenoid "C" is operating irregularity. The code P0870 means that the transmission fluid pressure is not determined at its specified pressure. Check the harness...

Hi. Your diagnosis is spot on! If the alternator and battery are good, something is causing a pretty significant drain on the battery, and this needs to be identified. This problem can be diagnosed by connecting an ammeter to the...

The only way to determine exactly which ignition coil is damaged is to have a professional mechanic complete a diagnostic scan and download all error codes. The OBD-II error codes will pinpoint the source of engine issues. Having a mechanic...

Hello - first task is to check for problem codes, whether the Check Engine is lit or not. If it is, there should be an indication of which cylinder is misfiring. Misfiring can be ignition related (https://www.yourmechanic.com/article/how-can-problems-with-the-ignition-system-cause-misfiring_2) - plugs, coils,...

This may mean you are running too rich and will need to have the engine O2 sensor and mass air flow checked to see if they are causing the engine to run too rich. i recommend having a mechanic like...