Popular questions

Question
Trailblazer 04 vibrates while in Drive or Reverse. There is a raw gas smell on the exhaust.
Hi there. Check the spark plugs on the engine and see if they are fouled out. A fouled out spark plug will cause the cylinder to not fire and let the fuel that is sprayed in go out the exhaust...
Question
1999 Mitsubishi Eclipse running rich
It certainly can. My experience with those Mitsubishis is that they have a lot of problems with the fuel injectors when they get old. First, I would have a mechanic clean the fuel injectors. Sometimes, it’s that simple. Knowing...
Question
Car gets stuck in park and won't start SOMETIMES. Hear one click upon starting but starts working after a few times.
The shift interlock and the intermittent starting issue are likely separate issues. However, the brake light issue may be related to the shift interlock problem as the circuitry and components are common. The intermittent starting is relatively easy to diagnose....
Question
strange problem
Hello. The symptoms you are experiencing can be caused by a wide variety of issues. If the symptoms appear to come and go then it may be possible that the symptoms are electrical in nature. A few things I would...
Question
I replaced the water pump but all the coolant leaked out - 1996 Chevrolet Cavalier
If there was no leak prior to the water pump replacement, it is possible that the gasket sealing area between the water pump and the engine block has a leak. This is easy to find if you refill the system...
Question
Convertible top doesn't close properly
Hi. The convertible top has to be reset so it is synchronized to all of its upper and lower limits. If this procedure does not work, then the top position switch may need to be replaced or adjusted. I recommend...
Question
I am going to attempt to change the wheel bearing or hub asssmbly on my car.
This is a repair that is going to take require some specialty tools and techniques to complete correctly. It would be highly advisable to have a certified mechanic perform this or possibly assist you with the repairs, especially if the...
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Low engine compression
Claimed by Jeff Engstrom
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Is this a bad strut mount/strut bearing?
Hi there. Thanks for the video. The angle on the video is a bit misleading, but could be a strut mount that is the source. Another possible source could be a wheel bearing. If you are not hearing any harmonic...
Question
I want to disable ABS and traction control on my car
I would not suggest disabling your ABS at any time, as it compromises vehicle performance and safety. As for you traction control, you should be able to turn it off manually using the dash mounted button. Your owner's manual will...
Question
Dead short in the electrical system.
I would ask for help from one of the mechanics at YourMechanic. They will have one of their mechanics come to you with the proper test equipment and knowledge to diagnose a fix the short in your electrical system.
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what causes noise on power steering when starting car?
A worn power steering pump will make a whining type sound. It usually starts as a whine when cold and diminishes somewhat once warmed up. If the reservoir is full and tehre is no power steering fluid leak, it may...
Question
valve tick on driver's side - 1971 Dodge Charger
Hello. This is very normal for nearly every car. When your car's engine is cold and has been sitting for a while, the oil that is brought to the top of the motor when the engine is running will slowly...
Question
Engine getting no spark
Hi. Is there any power coming from the top of the distributor? The ignition coil itself may not be firing correctly and should be inspected. The coil is controlled by the ECU which does have the possibility of crashing as...
Question
Car is misfiring
It sounds to me like you have a wire connector issue with the ignition coil pins. The male and female sides fit too loose and only make partial contact. After driving a while a small amount of corrosion forms in...
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Blue smoke black smoke white smoke what do they mean
Hello. If there is blueish smoke coming from the exhaust, then that is an indication that the engine is burning oil. This can come from the valve stem seals or from the piston rings. It can also come from the...
Question
Clutch failure on 2½yr old Peugeot 107 having done 1,500 miles
Hello. This clutch would fail prematurely for two reasons, assuming that the vehicle is driven easily. Either the clutch is not fully releasing and is dragging due to the system holding pressure, or the clutch is defective. Most of the...
Question
I have a 93 Lexus LS400, I put a power steering pump on it yesterday and I'm still getting a whining noise .
It sounds like you may have a power steering rack that may be putting too much strain on the power steering pump causing it to leak or fail. The rack and pinion gear set does two things: It converts the...
Question
P2173 error code related to AIR DOOR ACTUATOR?
Hello. The ETC and ESC lights are likely not related to your air door actuator. The air door actuator is an AC component, and not really connected to the electronic throttle control or stability control systems. The ETC light usually...
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A lot of smoke coming from the car. What's the issue?
Hi, thanks for writing in. If you have smoke being emitted from your vehicle, it is likely due to a fluid that is leaking and landing onto a hot surface such as the exhaust. Typically when smoke comes from under...
Question
Why is my car slow to accelerate when I press the gas pedal all of the way down in my 1993 Mitsubishi Eclipse
Hello. It sounds like you have a serious transmission issue. If the engine is revving and the vehicle is not moving then this is a sign that the transmission is slipping and needs to be replaced or rebuilt. If there...
Question
When I turn the key, it does nothing
Hi, thanks for writing in. Sometimes when you accidentally connect a metal wrench to a positive battery terminal, it may cause a fuse to pop, causing the vehicle to not start. The first thing I'd do is inspect the fuse...
Question
Crank but not start, There is spark and fuel spray in injector, I change the PCM and distributor box but still the same no start
If you are getting spark and fuel to the engine then the only thing left to check is the compression in the engine. Have a compression test done to see if the timing belt may have jumped timing. You should...