Popular questions

Hello, thank you for writing in. This is a great question. The battery is solely responsible for starting the vehicle. This is assuming your connections and wires are clean, dry, and tight. Once the battery starts the vehicle, the alternator...

Do any warning lights come on when this happens? If you are having an issue with the ABS system (which is kind of unlikely), or an issue with the brake sensors the vehicle will likely set codes which can be...

Hello, Spotting a major gas leak under your car is not something to be taken lightly. Gasoline is a flammable, hazardous liquid and a leak in you car is a repair that needs to be addressed immediately. There are numerous...

The issue you describe can be very dangerous for you and your passengers. I have read many instances of other owners having similar issues, some of which have caused accident that have led to injury(according to their statements). It looks...

Of all the safety systems built into your car, the brakes are the most important. While the Brake System indicator should come on during startup, it should go out after a few seconds. If it does not, or if it...

If you are trying to measure and position a frame, use a "tram", which is a specialized frame measuring tool. If, though, you are looking for specific frame dimensions, off of each vehicle, so that you can design a "composite"...

Hey there, thanks for writing in about your 2001 Jeep Grand Cherokee. It sounds like you have an intermittent connection issue caused by a loose fuse holding tabs. The black you see is carbon where the voltage is jumping a...

Without testing, it will be very difficult to determine what is wrong. That being said, there are a few things that pop into mind. The mesh wire you see may be a ground strap. It is very important that the...

Hello. There are only two relays for the headlight control. There may be a problem with the headlight switch malfunctioning. Check to see how long you have the auto shut off timer set to, as it could be set for...

The 3.5 ltr V6 is an interference engine. That means the valves and the pistons occupy the same space but at different times. The timing belt keeps the cams and crankshaft spinning in the proper time, so the valves and...

This could be a variety of things ranging from poor fuel delivery to vacuum leaks. In the case of a vacuum leak, when you step on the accelerator and demand a quick increase in air/fuel flow to the intake system...

Hi there. The spark plugs are rated for 100,000 miles for your vehicle, so you have about 5,000 miles left on their life for a decent spark. I recommend changing the spark plugs with the OEM parts to ensure a...

Hi. Yes, water in the fuel will cause knocking. I would advise doing a fuel system maintenance - drain the fuel system all the way to the tank, including the tank. This will get rid of any water and contaminated...

I would definitely take a few precautions if the engine has not been started for that long. - Change the oil & filter - Change the coolant - Drain the fuel system and refill with fresh gas - Remove the...

If the shifter has to moved around in order to get the engine to start, then this indicates either a faulty or misadjusted gear selection switch on the transmission. In order to prevent the vehicle from starting up in drive,...

You have an "older" car but one with relatively low mileage on the engine. (My car is 26 years old, so don't feel bad). The big issue with "older" cars is corrosion and deterioration of critical rubber products like valve...

You only have one sensor on this engine. If the P0327 trouble code continues then have the engine checked to see if you have an engine knock or the fuel you are using is below 87 octane, causing the engine...

Hello. It is possible that the oil pump is not operating properly and this is causing the oil light to come on. You could try switching the low pressure and high pressure sensor wires to see if that fixes the...

It sounds like the shifter linkage from the shift lever to the transmission has become worn, or is out-of-adjustment for some other reason. Have a trained professional, like one from YourMechanic, inspect the shifting trouble and adjust or repair the...

Hi there. It sounds like there could be a rear wheel bearing causing the drone. Has anyone checked the rear wheel bearings? They may have gone overlooked due to the front wheel bearings; it does happen. I suggest having a...

For this issue I would first recommend having your transmission inspected by a certified professional. There are a number of things including faulty shift solenoids, low fluid level, or catastrophic damage that could be causing your transmission to have these...

Absolutely. You do not need to go to the dealer for most services other than possibly some types of repairs to the computer or factory theft control devices for your vehicle. You could have your vehicle's oil changed elsewhere, change...