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Five Hundred

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Antitheft system causing car to not start
Depending on where and how the security system was installed, this can change the possibilities of various issues and fixes. An aftermarket system put in by a private party could have been installed in different ways that could cause issues...
Engine unresponsive, dash lights on
Hello. It sounds like the battery and starter in you car has failed. You could try jump starting the car but it would be a good idea to have a certified technician, like one from YourMechanic, inspect your battery and...
No heating in the car
Hello. You may need to have the blend actuator reset again. If this does not resolve the problem permanently, it may be necessary to have the blend actuator replaced. The heater core is the component that allows heat to get...
Engine hesitating during startup
Hello. It is not normal for your engine to be at 450 RPMs. This could be an indication that there is a loose or disconnected vacuum line or a vacuum leak from the intake. It is also possible that there...
AC blows warm while idling, cools during driving
Hello. There are a couple of things that could be causing your problem. The purpose of the high pressure hose is to increase and decrease AC pressure during different driving conditions. If the a/c isn’t blowing cold air when the...
Cutoff during braking, engine stuck in neutral
Hello. If the lights and gauges are cutting off each time you press the brakes, this could be an indication that the alternator is faulty. It also sounds like the transmission may be slipping or having trouble changing gears. I...
My car dies while hitting a bump and pushing gas.
Hello. This can be caused by a number of things, but most of the time this is caused by the fuel pump turning off. It is usually caused by a fuel pump that is failing or a bad fuel pump...
How many motor mounts does a 07 ford five hundred have?
You have two motor mounts and one transmission mount.
Engine is knocking loudly and has a weak acceleration.
You may have damaged the engine bearings by running it low on oil. I would suggest not driving it until you have an engine mechanic listen to and diagnose where the noise is coming from. If the noise is up...
squeaky idler pulley
Replace the entire tensioner assembly since the tension is what caused the pulley to go bad. You should also replace the belt if any damage is noted.
AC not getting cold enough
If the AC is turning on but is just not getting as cold as it should then you more than likely have low refrigerant in the system. When the refrigerant level gets low the compressor will not run long enough...
is it safe to keep driving my car with a blown ac compressor
Hi! It is most likely OK to operate your vehicle even thought the a/c compressor has failed. However there are a couple things to be aware of. As long as the compressor pulley is rotating smoothly, without wobble or noise,...
car wont accelerated please help?
You will need to have the vehicle scanned for codes. The electronic throttle may be in failure mode and not allowing the vehicle to accelerate. Check to make sure the brake lights are not on all the time and work...
engine load at 96%??
Thanks for writing in about your 2006 Ford Five Hundred. Your vehicle uses the barometric sensor, along with other sensors, to determine the engine load. Your barometric sensor should read a vacuum at idle. With the ECM having conflicting information,...
need help figuring out these values from code scanner live data
Although I cant fully diagnose this issue with the information provided, I can say that both of the O2 sensors that are after the catalytic converters, should be stable under normal conditions. Your engine load at idle seems higher than...
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...
Car overheats when heater not on
There can be a variety of reasons that your Ford Five Hundred is overheating, even after repairs have been made. While it is possible you are experiencing problems with the water pump, you may have a defective new thermostat as...
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...
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...
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...

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