Popular questions

Your vehicle may have an ignition switch that is not making a good internal contact. GM has had multiple major recalls pertaining to problems with the ignition switch. These recalls may relate to your problem. The only way to see...

The Check Engine Light may or may not be related to the battery change on any late-model car like this one - even a simple operation like changing a battery is not so simple. There are a number of settings...

Hello, I have recently encountered this steering problem in a Chevy Avalanche, which is very similar vehicle to your GMC Yukon. Rest assured that all the symptoms your car is experiencing are likely connected to one thing, the power steering....

Hi Ashdin. Thanks for contacting us today. The Mazda 6 is a hit or miss type of vehicle in regards to reliability. Some of them have no mechanical issues, while others develop transmission problems after about 10 years. However, the...

You can remove some of the excess coolant from the reservoir, however, if the vehicle is overheating and you continue to drive it that will cause engine damage. If a leaking head gasket is allowing exhaust to be blown into...

Hi there. The code p0040 is for an O2 sensor connectors are being swapped. Make sure the O2 sensor connectors aren’t swapped. This can happen when work has been previously performed. Also, check for unplugged or damaged connectors, as well...

Hello. According to my resources, the serpentine belt size for your vehicle with the 3.9 liter engine is 97.3 inches long and 0.96 inches wide. The belt should also have seven grooves in it. The Dayco part number for this...

Hi there - the first rule of modifications is that when things stop working, you revert to the condition before the last change. In this case, remove power to the new stereo components, recheck your fuel fuses and the pump...

Your exhaust can get to over 500 degrees F. It should not be touched by hand or can cause burns. You should check to see if the coolant or engine oil is getting low to see if the engine has...

If the check engine light came on or blinks when loss of power then have codes checked to see if computer stored misfire or other codes nad may have a problem with one of the coils or spark plugs. ...

Replacing just the transmission mount takes roughly an hour. The mount is probably less than $150. You can obtain a detailed, written quote via YourMechanic's engine/transmission mount service page or by simply calling the main customer service number. If one...

Check to see if any diagnostic trouble codes have been stored and use a real time scanner to check the response of the throttle position sensor and oxygen sensors. The throttle position sensor sends a reference voltage to your power-train...

Hi - the mass air flow meter (MAF) is located in between the air cleaner housing, and the engine's intake manifold. It is a black plastic cylinder about the size of a large coffee cup, with an electrical connector (3-4...

If you have a Check Engine Light, I would start there. Any codes that are found will aid in the diagnosis of your issue. It is possible that you could have an issue with your idle air control valve. I...

Hi Nina. Thanks for contacting us tonight. It really depends on what is actually damaged on the front bumper. If you've hit something, were involved in an accident, or the bumper simply fell off, you really should call your insurance...

Your car offers a number of different features designed to help make driving safer, including the electronic stability control (ESC) system. The ESC system is automatic, so you don’t need to do anything to activate it. It turns on when...

This is most likely related to a faulty or sticking thermostat or a bad coolant fan relay switch. As you know, the thermostat regulates the coolant flow in and out of the engine and keeps the circulation of coolant going...

Hello. Your Chevy Cruze uses a "heated" engine thermostat (under computer control) which has caused some problems. There is a Technical Service Bulletin (301268) to address the "engine is cold" issue - software reprogramming). There are also multiple temperature sensors,...

You will want to have the fault codes read out of the engine computer to see where the fault lies. P0011, P0016, and P0017 all have to do with the camshaft actuator. These faults are saying the camshaft position does...

Hi there. There are many components that make up your cooling system. A water pump, thermostat housing, and hoses are all common places a vehicle will leak besides the radiator. A loss of excess coolant can cause your engine to...

Hello, thank you for writing in. I am sorry to hear about your situation! The very first thing to do is check the owner's manual for any information about the anti-theft system (if you have not already done so). If...

Hi There, It sounds like you may need to have your suspension components looked at. Typically suspension components will last for the life of the vehicle and do not often times need to be replaced unless subjected to abnormal conditions....

Hello. The codes listed are for problems with the electrical circuits of ignition coils A, B, and C. If the coils have been replaced it may be possible that the wiring to them is the source of the issue. You...

Hi there. Thanks for contacting us today. It's quite possible that the battery terminals may have been installed backwards on accident, which would cause the electrical problems you are experiencing. It's also possible that while attaching cables, electrical relays have...

This is a case where you may be better off calling the tow truck. It will cost a bit, but if there is something seriously wrong you may make a complete wreck of your engine by driving. When the engine...