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V8-4.8L

If the check engine light has come on, the stored codes may be related to the hesitation issue. If the light was flashing when it came on, that would signify misfiring, a particularly serious issue. You can request a check...

Hi Dennis. Thanks for contacting us today. What you're describing is typically caused by an electrical short inside the ignition switch or with the electrical relay that is faulty. The first thing I would do is determine if other accessory...

Depending on the source of the leak, you may need to replace the entire water pump or just the water pump gasket. It sounds like you may have a water pump that may not be pumping correctly or may be...

Hello. If the transmission is on the vehicle it has to be diagnosed. Although there are a lot of parts in a transmission, conceptually it is actually pretty simply. There are electronic control circuits, electrically actuated solenoids, and hydraulically actuated...

Hello, thank you for writing in. The trip reset button is located at the next to the readout. It is hard to see because they are black on black and hidden out of the way. Some models utilize the set...

The maintenence costs for the Porsche as opposed to the Audi would be entirely dependent on which type of oil and filter you use as well as the amount of oil that the Porsche engine requires. If the two engines...

This may be related to the idle air control module/valve (https://www.yourmechanic.com/services/idle-control-valve-replacement), which is a component that monitors the amount of of air intake at idle as it is mixed with the fuel prior to being injected into the motor. When...

Hello. The oil can leak from any number of places on this engine. The most common places that this engine leaks oil is from the valve cover gaskets, and from the rear main seal. If it is dripping while the...

Hi. The most common problem is the instrument cluster followed by the vehicle speed sensor on the transmission/transfer case(2wd/4wd). You will have to use a scan tool to determine if the VSS signal is reaching the instrument cluster. If you...

This is a pretty common problem for your vehicle. Your serpentine belts are likely worn out. In addition it is highly likely that you could have a bad pulley or belt tensioner. If any one of these things are a...

Hi Dennis. Thanks for contacting us today. In most cases, when an inconsistent security code issue like this pops up, it's due to a fault with the anti-theft software in the ECU. Typically a GM dealership can scan the ECU...

Try turning the wheel back and forth while turning the key, use caution not to break the key. If you still cannot get the key to turn, you may have to have the ignition lock cylinder replaced. A certified technician,...

Hi there. Today's modern cars, trucks and SUV's are much more complex than older vehicles. As such, there really isn't a general "tune-up" service. Instead, manufacturers have created recommended maintenance service, which is unique for each make, model and year....

Hello, thank you for writing in. The first thing you should do is check your owner's manual for more information on how to close the sunroof in cases like this. To repair the issue, we need to look at the...

Hi there. Set the parking brake and set a wheel chock in front and behind the front wheels. Then put the transmission in drive and look under the vehicle to see if the rear driveshaft is turning. If the driveshaft...

Only a couple of things could cause this issue. Low oil is the most likely cause and under that would be a bad oil pump. The first thing I would do is check the oil level. If the oil level is...

Your symptoms are very similar to a vehicle experiencing problems with air metering, or fuel delivery. A clogged fuel filter may sometimes offer enough fuel for idle, but lack the volume to maintain an operating engine. In your case, it...

Hello there, thanks for writing in. I'd be happy to help. The symptoms you are experiencing can definitely be caused by a faulty crank sensor (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-crankshaft-position-sensor). If the crank sensor goes bad, or there is an issue with the wiring...

With the vehicle off, pump the brake pedal until all of the assist has been diminished. This will empty the brake booster. Upon pumping, the pedal should become more and more stiff until it feels like you are almost stepping...

Hello. If you continue to have a low voltage issue with the new alternator then there may be a circuit issue. Most of the time, if the alternator is good, it is the battery cables or there is an issue...