Popular questions

Hi there. This vibration on a cold start can be due to low compression. The seal better stops the rough idling when the car warms up and the parts expand. Also there may be an issue with a possible vacuum...

Hello. The ticking sound you are hearing will probably be an exhaust leak, valve lash,incorrect oil usage, or something improperly installed during the aftermarket exhaust installation, I suggest that a stethoscope is used by a technician to help determine what...

Hi There, The jerking or bucking problem you describe is normally associated with either transmission problems or some kind of misfire related to ignition problems (i.e. crank sensor, cam sensor, ignition coils, bad spark plug wires or plugs) or in...

We need to determine if the engine is turning over or if nothing is happening when you turn the key. If it is turning over but not starting then you will need to check the ignition system or the fuels...

Hello. The two things that I would first recommend evaluating in relation to your concern are the brakes and the transmission pressure control solenoid. The brakes may be locked in a position that will not allow the car to move....

Hi there, thanks for writing in about your Audi A1. If the light is coming on that often then there may be a particular filter issue. I would need to scan the computer to see what codes are present. If...

Hello. Overheating rotors are usually caused by one of two things. It may be possible that the rotors are excessively worn, and are too thin to handle the heat generated when braking. This is more likely if the rotors have...

A common cause is the brake light switch contacts are either stuck closed or the brake light switch is not properly adjusted. A short circuit in the brake light wiring is also a possibility. If you desire a resolution of...

The B Positive terminal on the Alternator (the big one) should be linked to the battery via a cable that connects at the starter, so you shouldn't read a voltage difference between the Alternator and the battery positive terminal. You...

Hi there. Although it's vital for a mechanic to complete a physical inspection to accurately pinpoint what's causing this "humming sound" and the gasoline smell, it sounds like you have developed an exhaust leak. In some cases, when the exhaust...

Hello. The best thing to do is to further test the system for the voltage supply. You need to locate the component or wire that is dropping the voltage. If the motor is not receiving any power on any speed...

You should not have to go to a dealer to have the light bar installed. Check around in your area to find a good automotive custom shop or a specified Mustang custom shop. They would be happy to install the...

Hi Karl. Thanks for contacting us today. What you are describing is arguably one of the hardest items to diagnose, but is typically caused by an electrical short. In some cases, a loose wire to an ignition system component, such...

According to Pennzoil, synthetic (including blends) and regular oil are completely interchangeable and thus there is no restriction on "switching" back and forth at any time. The main thing of concern with engine oils is that you are using the...

It is possible that your transmission mount could be worn out as well. I would recommend having the transmission mount checked by using a large pry bar to lift up on the transmission at that location. If the transmission will...

I would start by checking the coolant level to be sure it was refilled with the proper amount of coolant. Next check all radiator hoses to be sure none are leaking. Also, check to be sure the coolant fans are...

Hello. If the key will not turn in the ignition, then either the key is bad or there is a problem with the key lock cylinder. Most of the time, this is caused by a failure in the key lock...

You say you are getting battery power and ground to the fuel pump but the pump is not coming on? If this is the case, then the pump connector is bad. There is a technical bulletin that the connector should...

The fuel injectors have internal filter baskets and thus the only way to clean and service them is to remove them from the fuel rail and send them to a lab such as Mr. Injector for ultrasonic cleaning on a...

The rear brake light on the right uses the same power as the one on the left. If you are getting brake lights on the left side but not on the right, then you will need to test the right...

Generally, the most common cause of a no start is the battery. Other causes are the fuel pump, starter, ignition switch, and the neutral safety switch. With the car turning off over speed bumps, that actually sounds completely related. That...