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V8-4.0L

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Won't start but all lights and radio work
Hi, thanks for writing in. I would start with testing your battery with a multi meter. Even though your lights and radio are working, your battery may still not have enough voltage to start the car. Good batteries hold a...
Question
The computer readout located by other controls
It means the traction control system is not working. The Traction control is an automatic feature that modulates the throttle if it senses wheel spin. If the controller senses a fault in any of the system components, it shuts the...
Question
I need the diagram instructions to replace the ignition switch
Hi, thanks for writing in. The best way to get a wiring diagram for your vehicle is to use a Chilton book, a factory service manual for the particular wiring diagram that you are looking for. As far as instructions...
Question
How to reset limp mode on a 1997 Range Rover
It's difficult to say without knowing what the exact code is, but if you are dealing with an OBD II code, which is the universal system that started up in '96, It can be reset by any of the inexpensive...
Question
Will bad brake calipers cause excessive vibrating in steering wheel while driving?
This may very well be caused by the uneven wear on the front tires. When uneven tread is subjected to various road conditions or braking power, this will definitely cause a vibrating or shaking feeling. This may also be caused...
Question
Starts but does not run for very long
I would recommend checking and cleaning your mass air flow sensor as this can cause a lean or rich fuel mixture when not working properly. With this happening, there should be a Check Engine Light on that would have registered...
Question
Need to no how to bypass lamp failure sensor for tail & brake lights to work
Hello. Bypassing the lamp failure sensor involves locating the correct signal and ground wires and splicing them together to bypass the circuit. The actual cutting and splicing process is rather simple, however, you must make sure that the correct wires...
Question
Still the same Bruno
It sounds like your M3 is leaking coolant - that would explain the "clear, but slippery" liquid - although it is unclear from where. Rather than risk engine overheat from driving it further, I would recommend having YourMechanic diagnose this...
Question
Is it possible to install my broken serpentine belt back my car?
Hi, thanks for writing in. I'm a little confused by your question. If you're asking whether it's possible to install a broken serpentine belt on a vehicle and drive 20 miles, I'd say not. If the belt is physically broken,...
Question
What would be a price estimate of replacing a timing belt but not the the component kit?
The timing belt on your vehicle is recommended to be changed every 60,000-90,000 miles. If a timing belt fails, the engine will stop running, and you may damage the engine. To get an idea of the cost involved to replace...
Question
Car keeps dying
There are usually two different issues that cause the engine to stall or reduce RPM in situations like this. The first thing I'd look at is the idle control valve or sensors that monitor the fuel system. The second item...
Question
adding oil to full synthetic
Hello. There is no problem with you adding a conventional oil to your vehicle if it already has synthetic in it. The only thing that you need to make sure of is that you are using the correct weight oil...
Question
Security system is activated and now the car only goes up to 50 mph - 2002 Jaguar Vanden Plas
This suggests that the car has gone into a fail safe mode. This is a safety mode that the car will go into when the computer has detected that a critical component has failed or is not working properly. This...
Question
Got 40 lbs fuel pressure got spark no injector e
If you have spark and fuel pressure but no injector pulse, it is most likely the crank sensor, the crank sensor connector or another wiring problem in the crank sensor circuit. The best method to check the crank sensor is...
Question
My Bmw will not crank or start.
Hi there: It is very possible that the battery might be fully charged, but be lacking cold cranking amps. As a battery ages, the cells inside will begin to wear out, causing a reduction in the amount of 'cold cranking...
Question
Where in the car is the fuel pump relay located so I can replace it?
Hello, thanks for writing in to YourMechanic. The fuel pump relay is the orange relay located in the e-box. If you're uncomfortable with this repair, you may want to consider having a professional from YourMechanic come to your location to...
Question
Replaced the radiator but now my can is running hot. Never had this problem until the radiator was replaced
There area number of things that can make your car run hot such as low coolant levels, a faulty thermostat, or a failing coolant fan switch. As you may know, the coolant fan switch helps to maintain the proper coolant...
Question
My temperature goes up higher when I'm driving
Hello. There are several possibilities here for overheating. These range from the thermostat simply failing in the "closed" position, to a clogged or corroded radiator, a radiator fan (electric) is not coming on when it should, or the engine having...
Question
Land rover over heating and check engine light flashing
This is a result of your engine overheating which may be caused by a faulty thermostat. When this is stuck closed, this does not allow the coolant to flow through the motor properly. This may also cause the coolant to...
Question
I have a 01 Aurora that hasn't had heat for a year but it always ran at perfect temp until now, although it's not red lining.
There could be an issue with the thermostat in the car and that is the first place you will need to check when trying to repair this problem. Also, check for signs of a failing or worn water pump that...

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