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Five Hundred

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Question
Brakes feel like they aren't disengaging
Hello. The first thing to do is to have the Check Engine Light checked and diagnosed by scanning the ECM. Then check the brakes and look for rotor discolored or caliper problems with slides or pistons. If you see the...
Question
Car has CVT transmission, can't afford to replace, can I just replace the entire motor with a used one with different trans?
Hello. If you wanted to replace the motor and transmission, you would have other problems like the wire harnesses and ECM modules among other problems to do the swap correctly. You may be better off replacing the transmission with a...
Question
The RPM is racing up and down when in park. Dashboard lights come on one at a time and then the car runs badly
Hi there. I understand your situation and concern. Fist we need the codes that are stored when the Check Engine Light comes on. Any diagnostic scan tool should be able to give us the codes that are set and give...
Question
New water pump new thro new cap still over heating
This can be caused by a number of things such as low coolant levels, a faulty thermostat, or a failing coolant fan switch. Since you have just replaced the thermostat, water pump and head gasket, we can eliminate those unless...
Question
Error code P0171 and P0174
The high positive long term fuel trim suggests a vacuum leak and/or inadequate fuel delivery. But there are other causes that have to be evaluated as well: bad oxygen sensor(s); dirty MAF sensor; stuck open EGR valve; weak fuel pump;...
Question
Transmission
Hello. The check transmission light comes on when the computer detects an issue with the vehicle's electronic transmission control system. Unless the oil change included the transmission fluid it is not likely that the issue is related to the oil...
Question
How do I replace the emergency brake?
Hello and thank you for contacting YourMechanic. Even though you have disc brakes on the rear, your vehicle still has a parking brake. The parking brake on your vehicle is built within the rear calipers called integral calipers. Find the...
Question
Would a clogged catalytic converter burn a hole in the manifold
Hi and thanks for contacting YourMechanic. The hole in the manifold is a sign of something coming out of the engine, either a piston or a valve. If the manifold is the intake manifold, then there could be a burned...
Question
Code AWD malfunction came on, car is in AWD permanently. Transmission working fine.
Hello there, many faults will cause your 2005 AWD malfunction light to be on in your 2005 Ford 500. The most common faults are the shift linkage, low fluid level, or a wiring harness fault. A qualified technician, such as...
Question
Water is dripping at the bottom of my car muffler
If you do not have any problems with the engine getting low on coolant then the water dripping from the muffler is normal condensation dripping from the muffler. Most mufflers have a small drain hole on the bottom low side...
Question
No start issue
These lights are all designed to come on when the key is in the on position prior to starting the vehicle as the computer goes through a series of system checks making sure that each of those systems is working...
Question
Independently decelerating until car stalls when driving greater than 40 mph. Plus there is high RPM's with acceleration and won't always start in the mornings.
Hi there. Check to see if the fuel pressure on the fuel rail and see if the fuel pressure is around 45 to 65 psi. Run the engine up to a higher rpm and see if the fuel pressure drops....
Question
Car sometimes won't accelerate but it will rev
Hi there: The symptoms you're describing can be caused by multiple issues within the vehicle's driveline including; transmission, transmission linkage, or the front transaxle. In some instances, it's an indication of low transmission fluid or damage to hydraulic lines that...
Question
went into failsafe can this be cleared by me
Hi there. This problem is very common after replacing engines on modern vehicles. The ECU needs to be reset by a Ford dealership in order to fix this issue.
Question
Error codes P0171 and P0374
Hello. These issues can be caused by a few things. From the codes it sounds like there may be an issue with the fuel system. It may also be an issue with the air intake system allowing too much air...
Question
AWD malfunction message on dashboard 2005 Ford Five Hundred
Hello - there are 2 fairly common causes of the AWD warning light: the temperature/pressure sensor in the rear differential, or the oil pump in the rear differential are malfunctioning. I would recommend an inspection of the rear differential by...
Question
tried changing alternator about year ago having problem getting feedback to brain cani use aftermarket alternator
Hi there: The use of aftermarket parts vs. OEM is one of the most debated arguments in the automotive community. However, although there are some very good aftermarket part solutions for most vehicles, when it comes to alternators; it's always...
Question
are there any aftermarket alternators that i can use that will work like factory one
Not all alternators are available through the aftermarket parts providers unless they sell a new one from Motorcraft. If local parts stores do not provide a listing then it is not available except from Ford. It will not charge if...
Question
Car starts weak and rumbles
As a general rule, car engines do not like cold weather and do not do operate as well in cold weather. When you start your car in the morning and turn the key to on, the coolant temperature sensor immediately...
Question
Misfiring
Th wrench light is your car' check engine light indicating that it needs to be serviced. Engine misfires can be caused by many different problems and are generally caused by either a spark or fuel issue or in some cases,...

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