Popular questions

Hi there. In short - YES, shifting into reverse gear while the vehicle is in forward motion is not good for the transmission. The reverse gear needs to engage when the motor is at lower idle RPM and can seriously...

Chevrolet has a TSB out about a failure with the pressure plate causing hard shifts. The first thing to check is the clutch pedal level when the clutch is being operated if the pedal goes close to or is touching...

Replacing the pump will probably take care of this.The fuel pump on your car is one of those integral in-tank units that has several functions including the fuel level sensor and the fuel tank pressure sensor. The fuel level sensor...

The multi-function switch is a common fault with your Chevrolet C1500 Suburban. Sometimes the lights don't work at all. Other times the high beams will work but not the low beams. Moving the column up and down could possibly indicate...

A failed crankshaft position sensor can cause symptoms like this. When you crank the engine, the engine control unit looks for a signal from the crankshaft position sensor to determine where each cylinder is. When the signal is received, the...

The fuel filter is located on the frame rail near the fuel tank on the passenger side. The fuel pump may be having an issue with not supplying enough fuel pressure to the engine. Another possibility is that the filter...

If the pedal is low, there is air in the brake lines or the master cylinder has an internal leak. If your vehicle is equipped with anti-lock braking, you have to either bleed the ABS pump and valving (per Factory...

An engine that cranks but doesn't start is lacking one or more of the following: compression, fuel, or spark. Each of these will need to check systematically to narrow down the cause. Fuel pressure can be checked at the rail...

Hi there. Leak stopper should only be used in emergency situations as it usually causes more problems than it "fixes". It sounds like the leak stopper may have settled in your heater core and is preventing the proper amount of...

This is related to the traction control system in your car. This system monitors the steering stability of the vehicle and engages when loss of traction has been detected. This system counteracts over steering and under steering by reducing power...

Hello, the operation of the fuel gauge is like this. The fuel level sensor receives a steady voltage input, and as the level changes the voltage output of the fuel level sensor change. The fuel gauge in the dash receives...

Hello, thank you for writing in. Your head is in the right place. While gas these days is held to some better standards, its very possible to collect debris in the tank over time. Considering the mileage on the vehicle,...

You will need to have the system inspected thoroughly to see why the vehicle is going lean. The possible causes are that you are loosing fuel pressure or fuel volume. If fuel pressure gets too low it will cause the...

Your engine has direct fuel injection. Over time, the intake valves can suffer from carbon build up because fuel is not being washed over them. Always use top tier gasoline even if you use Regular and not Premium. You can...

If your vehicle has a Check Engine light, I would recommend starting there. Any trouble codes found in the system would likely be related to your issue, and would aid in diagnosis of this issue. Some possible causes of your...

You should start by cleaning the battery terminals and then see if this helps. If problem continues then the starter or starter relay may be causing the intermittent no crank condition as long as the theft system is not keeping...

It sounds like you may have an internal transmission issue. It is possible that some reprogramming of the shift solenoids may resolve this issue. Otherwise I would recommend having a transmission specialist inspect your vehicle for any issues.

If I interpret what you say correctly, it sounds like an electrical malfunction. I wouldn't worry right now about the struts and transmission flush. Those are high margin sales that many of the chains push on everybody that comes in...

This relates to a faulty mass air flow sensor. This is a unit that monitors air intake into your engine as it is mixed with fuel prior to being injected into the motor. When this is not working properly, many...

Hi there. It is likely that the ignition switch or ignition relay is damaged. These two components typically cause the type of symptoms you are describing. It might be a good idea to have a professional mechanic come to your...

Hello, to replaced your hub bearing will require a hydraulic press. If you'd like, a certified Your Mechanic Technician can come to your location to perform this. Please look at this web site for more information and service options....

Tires are a very subjective topic. It is very important to start your research for tires with asking yourself a few pertinent questions. How many miles will the tires need to last? What is an acceptable price? What kind of...

Defective ECMs are so rare that half of all warranty returns (industry-wide), once tested in a lab, turn out to be perfectly good. ECM updates (software) are another matter though. In the course of diagnosing something like this, it is...