Popular questions

There are some engine controls that affect transmission shift points, such as the throttle position sensor. Those have to be ruled out. If it does turn out to be a transmission issue, check the fluid level and condition. Beyond simple...

Hi there. Thanks for contacting us tonight. The Air-Matic system on the Mercedes-Benz CL500 tends to develop leaks after 10 to 15 years - so it's probably why you are experiencing the warning light and symptoms. This type of problem...

The oil changer may have seen the CV axle boots torn open. This would allow the lube to be washed out of the joint and dirt and water to enter and damage the joint. You would not hear any noise...

Hi Felicity. Thanks for sending in your question today. Assuming that your Chrysler 300 did not overheat previously and coolant is leaking internally, it's quite possible that your radiator cap has failed. This will cause coolant to escape in the...

Hi there - unfortunately, a slow leak like this will require a close look, while the engine is hot, and running. Most likely, this is not a water pump failure - that would not hold out a year. A hose...

Although your problem with the oil pressure warning is probably instrumentation. It's a bad idea to ignore oil pressure warnings. If the oil pressure is actually low, it will do serious engine damage very quickly. The thing to do is...

Any real mechanic can do it. It's a matter of having tools and knowledge of how to do it. Since they are new designs, a lot of guys might not know about that, so they use their information system to...

Hi there. The check engine light on this vehicle can turn on from the engine running too cold and too hot. If the coolant level was low from the beginning then the system should have been pressure tested to identify...

Hi there. The correct way to diagnose most mechanical problems like you are describing begins with a digital scanner inspection. This allows the mechanic to download any stored error codes and then pinpoint the source of the issue. Once codes...

Hello. If the TPMS system is showing that all four tires are flat then they are either low in air pressure, or there is an issue with the TPMS system. I would first check the air pressure on all four...

If the caliper is leaking, the most effective course is to disassemble it, inspect the bore, and re-assemble it with new seals. It is unlikely a leak will be resolved by any "external" measures. If you desire a resolution, please...

All modern cars are equipped with an Evaporative Emission Control (EVAP) system. The EVAP system prevents fuel vapors from the fuel tank from escaping into the atmosphere. The EVAP system collects and temporarily stores the fuel vapors in the charcoal...

Hi there. Check the injectors on the throttle body and see if they have a metered spray. If the injectors are spraying correctly, then there is a vacuum leak on the engine and is only effective when under a load...

Your car’s load limit is listed on the Tire and Loading Information Label, which is on the driver’s doorjamb, next to the door latch.

Hello, thanks for writing in about your 2002 Pontiac Grand AM. There are several possible causes for a vehicle to not start. There could be a fuel supply problem, an ignition problem, or even a failed sensor. For an issue...

I wouldn't concern yourself with the timing of your cars symptoms. When a car fails, I liken it to when a light bulb decides to burn out. It was just its time. Everything will eventually fail. I also would strongly...

The rear window defogger is a key safety feature. It helps eliminate moisture from the rear window to give you better visibility. To turn on the rear window defogger, press the rear window defogger button, which is located alongside the...

Hello. Let's get these questions answered for you. All vehicles should be serviced per the manufacturers maintenance schedule. The owners manual contains this schedule that is set up to best maintain the service of any vehicle. There is no...

If you look at your fuel gage, it will say "premium fuel only". The vehicle was designed to only run on this fuel. If you try and run the lower grade fuels, you will run the risk of damaging the...

There are a few main differences between a water-cooled and air-cooled engine. Air-cooled engines utilize an engine cylinder design that incorporates cooling fins all the way around the cylinder and on top of the piston cylinder head. These fins draw...

Hi John. Thanks for contacting us. Hopefully the fuses and electrical relays have done their job and are blown, causing this issue. In many cases, crossing the battery cables during a jump start will damage the ECU. So, yes -...

Whether your Accord has a manual A/C, auto A/C or a built-in navigation system, activating the rear defogger is done in the same way. Find the button on the dash that says “Rear” and has a picture of...

Hi there. If the engine is cranking over fine and it just will not start then I would start by cleaning out the throttle body. It is common for the throttle body to become dirty over time which can cause...