Popular questions

Question
The car does not work at all.
Hi there. Check the camshaft position sensor and see if its plugged in. If the sensor is plugged in and the engine will crank, then the camshaft could be out of timing and needs to be reset. If the engine...
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Several batteries died out
The most likely causes are either a parasitic drain on the battery or a faulty alternator. The battery is basically just a storage device which must be constantly charged by the alternator. A battery that is partially discharged often will...
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Key not going into ignition
Hi, if the wiring is damaged then the computer won't be able to communicate with the lock cylinder correctly and cause it to lock up. You should have a certified technician, such as one from YourMechanic, inspect the wiring from...
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Car engine turning over, but not starting.
There are many reasons why a car will crank but not start. Your engine will not start unless it has fuel, air, spark, and compression. If any one of the four components are missing you will have a crank, no...
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No rear lights of any kind or working. ( No running, brake, or signal lights)
Check the ground wires on the back of the vehicle as they are either broke or loose. Over time the bolt that holds the ground wire to the frame tends to become rusty causing the ground to have a high...
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can the oil in my coolent reservoir be caused by a bad coil
"Gunk" can simply mean that the coolant is old and in need of a cooling system flush.If it actually oil in the coolant reservoir, then odds are the head gasket may have failed. The head gasket keeps oil and coolant...
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My ESC light comes on and I have to wait 45 minutes before I can start the car
Electronic Stabilization Control detects critical situations at an early stage, and takes action to stop skidding and help bring your car safely back under control. Check the wheel sensors for proper operation. Make sure that the sensors are plugged in...
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Full tank of gas, but it cut off on me...
This is an intermittent electrical fault, likely in the ignition system or an engine management sensor that is "failing". There is a decision tree (diagnostic) that mechanics employ to find the issue in cases like this. The only way to...
Question
My air just turned off on it's own today.
On a vehicle that is 15 years old you may have a leak in the condenser, compressor, or evaporator. One of these faulty components may be leaking down the pressure. It's also possible that one of the pressure switches has...
Question
over current resetting does not reset
Hi there. Unfortunately, we need quite a bit more information from you, including what year, make and model of vehicle you're talking about, and what symptoms you're experiencing with the vehicle. YourMechanic.com offers basic automotive repair and service recommendations. Thanks....
Question
I want to change headlight to an adaptive LCD headlight from 2015 BMW 750i. Is it possible?
As with most modern cars, things are more complicated than they seem. The BMW uses a lamp control module to power up the lights. It's not a simple switch-load connection anymore. Among other functions, the lamp control module senses malfunctions...
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My 2000 Chevy Tahoe has a few messages. It says reduced engine power & ending service soon, What could the issue be?
Hello, thank you for writing in. The check engine light, reduced power light, and general loss of power are very likely all connected to one or two simple issues. Luckily with the check engine light on, the computer has detected...
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Hello. My 2005 Dakota makes a loud thud about part of the time half way through braking and sometimes when accelerating.
Check your suspension on your front of the vehicle. It seems that the control arm bushings are worn or damaged and the bolts could be loose causing the suspension to move around when the vehicle is under a load. If...
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My brake lights and dash brake light come on while driving.
These types of warning lights will generally store a fault code in one or more of the vehicles control modules. The warning lights you are getting may be the result of a faulted brake pedal position sensor or wheel speed...
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Bouncing when towing or backing up
I am not surprised to hear that your Nissan struggles trying to move a heavy load up hill!! After all those years and miles, I would be glad that it still ran and save it for lighter work! Old trucks...
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Burning smell from rear of vehicle
The rear brakes are probably sticking or seized. If the car has rear disc brakes that could be due to faults with the piston in the caliper bore and/or it could be due to the caliper(s) sticking on the torque...
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My BMW 335i n54 coolant line hose o ring needed to replaced. I think coolant is leaking from there.
The best thing to do is get a coolant pressure test and hook it up to your radiator or reservoir and pressurize the system to 15 psi. If there is a leak, it will appear under a pressure. If you...
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Some a/c fans aren't blowing air
It sounds like your mode door actuator may have failed. The mode door actuator is responsible for controlling the mode door. The mode door is a door inside your dash that will open and close to certain points to guide...
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What should I know about using snow cables?
While your SUV is equipped with tires capable of handling both mud and snow, if you live in an area where significant wintertime snow accumulates, you’ll probably want to invest in a set of snow cables (not chains – it’s...
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Charging issues
You should check to see if the 30 amp fuse is good in the battery junction fuse box fuse number 26. Then check the alternator to see if you have power to the connector orange and blue wire and the...
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What would cause my engine to make a squealing noise in my 2012 Jeep Wrangler
Hi there. From your description of the noise and when it occurs it sounds like it is coming from the belt. It may be as simple as a worn out belt or one of the engine accessories may be failing....
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Grand Cherokee 1999 Side Swiped Door Replacement Possibly.
My first recommendation would be to determine how many miles the vehicle has and memorize it. Then I would look over your vehicle and give it your honest opinion of its condition (assuming that the doors were fixed). Then I...