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Five Hundred

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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
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
When I'm driving, my car does this little lurch thing constantly, like it has little accelerations.
Hi there. Check the idle air control valve (IAC) to see if it's plugged up. When the vehicle sits, sometimes the IAC valve can stop working and get plugged up. Remove the vacuum hose to the IAC valve and see...
Question
Orange wrench light came on when canceling cruise now womt drive only reverse 2005 Ford Five Hundred
Hi there - the "orange wrench" is even more vague than "Check Engine", since it covers suggested service work as well as problems. Check for problem codes for more detailed information on what really failed. From your other symptom description,...
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,...
Question
The steering wheel starts getting hard to turn left or right 2005 Ford Five Hundred
Hi - your symptoms suggest that the power steering assist has become weak. Check the fluid level on the power steering pump reservoir first. If the fluid level is correct, the power steering pump should be checked to see if...
Question
Need oil pan gasket, valve cover gasket, lower control arm bushings. How much it will cost.
Hi there. The first thing we need in order to provide you with a quote is your location; which will ensure we offer services in your area. Please start by submitting a request for the oil pan gasket replacement](https://www.yourmechanic.com/services/oil-pan-gasket-replacement). Once...
Question
Electrical issues
It is very possible that you could have shorted out your window circuit when the wires behind the radio were touching. I would recommend checking the fuse for the window to see if it has blown. If so, replacing the...
Question
Will bad engine coils cause the car to not want to accelerate?
Faulty ignition coils can certainly reduce engine power. Ignition coils provide electricity (anywhere from 25 to 50,000 volts) to the spark plugs. That spark ignites the fuel mixture, which forces the pistons down and creating horsepower. With two faulty coils,...
Question
changed electronic throttle body, wrench lights when stopping hard and taking off fast, lose power
Hi there. The wrench light is a service indicator light that is designed to alert the driver that routine service or maintenance is required. In some cases, this light is illuminated when excessive carbon is detected in the fuel system....
Question
Do I need to stop driving my car immediately if my check engine light and check transmission light both come on and stay on?
Hi there. Anytime a service or warning light illuminates on your dashboard, it is because the ECU of your vehicle has detected a fault from either a system, sensor or individual component. Some are more serious than others, which is...
Question
Does a 2007 Ford 500 limted have a top gasket cover? I was told small oil leak, and that this is the issue? how much in labor and
Most likely, they are referring to the valve cover gaskets. In a sense, the valve covers are the 'top covers" of the engine. Since they are located at the top of the engine, they certainly can be leaking and not...
Question
2006 ford 500 transaxle won't work under 32 degrees farenheit
Has the transmission been serviced in the recent past ? If so, it's possible the wrong type of transmission fluid may have been used. If the transmission has not been serviced recently, or ever, then the fluid may be very...

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