Popular questions

Hi There, What you are describing sounds like a dirty or faulty mass air flow sensor. The mass air flow sensor monitors air intake as it is mixed with fuel prior to being injected into the motor. This sensor relays...

Excessive bouncing in the suspension is typically caused by a lack of dampening for the amount of spring used. Dampening the ride is the function of shock absorbers and struts. They may be worn out, blown out (look for signs...

You can access fuel pump by removing the access panel in the very front of the trunk by rear seat. if you find you are needing help with this repair, a certified technician from YourMechanic can come to your home...

Hi there: Backfires occur for various reasons ranging from a cracked distributor cap allowing moisture inside ignition system components to fuel system issues caused by dirty or damaged sensors, crankshaft position sensor that throws off ignition timing or other items....

Insert the replacement throttle position sensor (TPS) and check with the computer scan to see if it is working correctly and adjusted properly. You may need to relearn throttle position and idle for your vehicle. If you'd like, a certified...

Hi, thanks for writing in. There are two possibilities here: either the physical temperature of the engine is indeed fluctuating significantly, or the sensor and/or circuit that feeds the temperature gauge is malfunctioning. The sensor (and circuit) can be tested...

Start by watching my video "does your car smell of gasoline?" That will show you all the steps to do. But, in a nutshell, you'd want to check the gas cap to see if it's loose or leaking. You'd...

Hi there. Shaking at speeds over 40 mph is often related to tires that may be out of balance, low on air, potentially a badly aligned front end or failing suspension components or ball joints. When suspension components are not...

Hello there, a few common faults can cause your 1972 Oldsmobile Cutlass to only work on the #2 speed air flow. You are correct, the blower motor resistor could cause this fault. Other likely causes would be the fan control...

It has been a long time since a Volkswagen has been an economy car. It is less expensive to maintain than a Mercedes, BMW or a Volvo. but will be more expensive than similar Japanese models. Especially the turbo models....

The part you indicate got damaged is called a lower control arm. You have the rear and forward lower control arms on the rear of each side of the vehicle.

In many cases, when the battery light comes on when you stop but goes away when you drive, it's caused by a loose sensor or connector that may have been removed during the installation of the new battery. On newer...

I have seen many different outcomes when it comes to hooking the battery up backwards. If you disconnected the cables as soon as you hooked them up wrong you should not need to replace the battery. Once you hook up...

Since you don't list your symptoms or reasons for thinking this, the best advice I can give you is to have your vehicle inspected by a trained professional. The technicians at YourMechanic will be able to diagnose and repair any...

The diagnosis by another place may be correct, however, the Check Engine Light can go on for many reasons. If you'd like to have a second opinion on the Engine Light or have this service done for you, consider YourMechanic....

If your traction control and ABS lights are on at the same time, the usual cause of this is a wheel speed sensor or a tone ring. The tone ring is what the wheel speed sensor picks up on. This...

It sounds like when the drive shaft broke it may have damaged the transmission linkage and is not letting the transmission go all the way to Park. This will prevent the key from turning to the locked position. If you...

Nothing adverse appears on the Carfax report. There don't appear to be any outstanding recalls. Inasmuch as used car repair, maintenance, and restoration costs are highly dependent on the actual, as found, condition of the vehicle, the only way to...

Hello. Thanks for writing in about your 1974 Chevrolet Chevelle. If you got a spark from the wire on the back of the alternator, then you shorted something out. You need to follow the wire from the alternator to where...

Hello. I do not believe that any module or computer on a vehicle can be repaired. Unfortunately, these are sealed units and must be replaced if they fail. In addition, many engine computers require special programming from the dealership once...

Hi there. From the description you have provided, leads me to believe, there may be air trapped in the cooling system. Bleeding the cooling system can be difficult. A cooling system flush could resolve this issue. The white-greyish smoke cold,...

Hello, your engine has two belts and adjustable tensioners. The belts should be checked to see if they are dry and cracking, and also to see how stretched they are. The belt's tensioner can be used to tighten the belts...

There may be a few reasons your compressor can rattle. First the noise will have to be determined to be internal or external to the compressor. If the noise is internal then it is most likely a bad compressor. If...

Check the fluid level (and fluid condition) in the transmission to be sure the fluid level is not too high or too low. The jerking could be transmission or engine related. If the noise is coming from the transmission, and...