The battery and charging system should be evaluated first. However, if your battery is more than 5 years old, I would simply replace the battery outright before doing further diagnostics (which are still needed). Batteries are actually critical components of...
The good news is, as long as there is no damage to the frame (or sub-frame) of your car, or the mounting stubs for the strut, control arms and so forth, what you are describing typically requires fairly mundane repairs....
You may have a fuel pump or fuel pressure regulator issue. All of the symptoms you described are possible with a faulty fuel pump. However, the more likely cause in this situation would be the fuel pressure regulator. The...
This sounds like you may be having a fuel delivery problem which us usually a result of the motor starving for fuel causing a lack of acceleration as you describe. This may be can be caused by many different things...
Hello. From your description it sounds like the transmission is beginning to fail. The second clutch pack fails or the sun shell cracks keeping the gear from engaging. I typically remove the transmission pan and inspect the fluid. If there...
Unfortunately, "used" and "reliable" are two words that typically don't go well together with European cars. They are expensive cars to repair and fix. A long time ago, the Volvos were good cars and a '93 240 wasn't a bad...
Hi there. The problem with trying to diagnose this transmission fluid leak issue you have with the Hummer is that it's quite possible that the leak could be caused by multiple issues. Certainly a loose transmission fluid tube or damaged...
The starter's yellow wire will need to be checked for power when you turn the key. If no power is present then you'll need to check to see if the starter relay's 40 amp power supply fuse # 10 is...
Hi there: When a serpentine belt is about to break, it can make many different types of sounds and produce multiple warning signs or symptoms. However, it's recommended to replace the pulley's and the belt at the same time, as...
Hi. Hot coolant is pumped through the heater core. Heat from that coolant is then blown through the heater core and into the passenger compartment by the blower fan. Signs that your core is leaking include moisture on the passenger...
The most common cause of a misfire on the engine is dirty fuel injectors. It may be a good idea to have the injectors cleaned. One common issue I have seen also is a failure in the variable valve timing....
Obviously, there is a fault in either the ignition system, the fuel system, or in the air induction system. If you are truly detecting the odor of gasoline, you might try holding the accelerator pedal firmly to the floor while...
You may need to have the key re-flashed to the car's computer. It sounds like every time you leave the car it has a problem re-associating itself with the car. I would recommend taking it back to the Chevy dealer...
Hi there. This is very difficult to pinpoint the source of your problem without completing an onsite inspection. In general however, it is possible that when you hit the bump that the transmission linkage may have been twisted or slightly...
When making a phone call through the Bluetooth system, you can mute your mic. When muted, the person you are speaking to will not be able to hear you, but you will still be able to hear them. To mute...
Hi. It's difficult for me to give you advice without knowing the extent of damage they did to your column. In some cases, all that needs to be replaced is the ignition cylinder and/or switch. This is a pretty simple...
The alternator is needed to keep the battery charged and provide enough power to keep the engine running and transmission shifting. A low power situation will cause the engine to have low power and the transmission may not shift. The...
Hi, it sounds like you are having a brake problem. I would inspect the brake pads, calibers, and discs. I would recommend having a qualified mechanic come out and inspect the brakes for you. For your safety, I would recommend...
Hi there. This sounds like the tires on the front are out of balance and the ball joints are worn and need replaced. A out of balance wheel will cause the vehicle to vibrate and may change location to the...
The first step is to check fuel pressure at the fuel rail. For your vehicle, pressure should be 30 to 40 PSI while running and 35 to 45 PSI with the engine off. Since you've already replaced the pump, if...
