Popular questions

Hi there. There are a few reasons why your tachometer is not working on your Dart. The tachometer on the instrument cluster may be bad, and the instrument cluster may need to be replaced. There also could be a problem...

Like the rest of your interior, your seat belts should be cleaned periodically. Dirt and debris can build up on the belts and cause problems, particularly if the dirt gets into the retractor. This can make the belt slow to...

It could be that you bought a bad alternator. There are a lot of companies that are rebuilding them that don't do a consistently good job. But if you bought your alternator from Honda it should be OK. The alternator...

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...

Hi there. If you're talking about the quick tapping noise in the video, it is likely that this is caused by the drive or serpentine belt pulley's being worn out and requiring replacement. If the noise goes away when the...

Hello I believe you are referring to the variable valve timing or camshaft position actuator/solenoid, which varies the camshaft timing relative to the crankshaft position. This feature enhances engine performance, mileage, and lowers emissions. If you are able to get...

Manual transmissions are directly geared and so a fault in the transmission itself will not cause "fluctuations" in engine RPM. However, a malfunctioning clutch pressure plate and/or contaminated clutch friction material could be a cause of RPM excursions. Fluctuating engine...

Hello, thank you for writing in. You have covered the basics. You know the brake lights work, but they are not getting the power they should have under all circumstances. The most direct way, at this point, to find the...

It sounds like you may have a faulty AC Compressor or potentially a leak in the AC lines somewhere. Car air conditioners work on a simple principle of heat transfer, relying on the fact that heat will always transfer from...

Hello there, thank you for asking about your 1988 Chevrolet Celebrity. There are numerous potential causes for your problem. One thing that comes to mind, however, is the ignition module. These are known for being problematic on your vehicle. The...

Hello, thank you for writing in. When it comes to a misfire on several cylinders, the vehicle is likely struggling with compression. If the issue was fuel or spark related, the engine would have a misfire code on all cylinders....

If there is an unusual odor (you refer to a burning odor), I would not drive the car. Other than the odor issue, based on what you are describing you are not going to worsen the situation. A particular concern,...

This may be related to a dirty or failing idle air control valve, or throttle position sensor. The idle air control valve is a unit that reads the air intake as it is mixed with fuel, prior to being...

Hi there. That squealing noise that stops when you apply the brakes will turn into a grinding noise eventually. That is the wear indicator to let you know that the brake pads are worn to the point of needing replacement....

The color (black) is just a consequence of "carbon particles" that are normally present in the exhaust flow through the valve. We would need the exact Diagnostic Trouble Code ("DTC" as displayed on the Code Scanner) in order to advise...

Hello there. Anytime you smell gasoline inside the cabin of a car, truck or SUV; it's typically an indicator of a fuel leak. This is a situation that should not be avoided, as although it might seem to be a...

Was a compression test done on the engine before it was started for the first time? Depending on where the knocking is coming from, there may be a deeper internal engine failure either from the overheating or it was not...

To me, they are over-engineered, gigantic money pits. They cost a fortune to fix as they age. That's the truth. If you really like Audi's and want to buy one, then I would opt to lease it. If you...

From the information provided on your Chevy Camero, it appears that you need to adjust the Throttle Valve (TV) cable. This TV cable on your Chevy Camaro controls hydraulic line pressure, the shift points, the shift feel and throttle downshifts....

Hi there, thanks for writing in. A tear in the air filter can make a fluttering noise. Another possible source of the noise is the DISA valve at the top of the intake manifold. The DISA valve is what controls...

The navigation system and the radio do affect each other and use each other to work. When the navigation comes on it turns the radio on as well to provide volume for the voice directions. This is normal operation and...

Your car has a small purge valve that controls the venting of fumes from the fuel tank as these fumes build up inside, particularly when you are refueling the car with gas. The EVAP system prevents fuel vapors from the...

On many vehicles, the door panel does not need to be removed to replace the side mirror. The mirror usually has a small trim piece to cover up the mounting nuts on the interior side of the door. If you...

Hi there. It sounds like there may be compression leaking past the cylinder head gasket into the cooling system. Does the vehicle overheat? Has it ever overheated? How does the engine run on a cold start? A good inspection by...

The knocking noise is usually an indication of an internal failure of some kind. This may be related to many different things, however the reduced engine power mode usually indicates that the computer has detected something wrong and is attempting...