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Five Hundred

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Question
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...
Question
How many motor mounts does a 07 ford five hundred have?
You have two motor mounts and one transmission mount.
Question
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...
Question
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.
Question
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,...
Question
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...
Question
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,...
Question
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...
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
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
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...

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