Popular questions

The ignition timing control system is an important part of the network of emissions control systems on your car. Really, it does exactly what the name implies – it manages the timing of the engine to help reduce the production...

Hello. Check intake vacuum at idle to "guess" as to the status of the timing. If below factory spec., for example if as low as 15 inches or so (vac. gauge reading), you might be off a tooth. Really, the...

I wouldn't put a fuel pump on it just yet. There are a number of other possible faults. The first thing I would check for is air leaks. Any air that can get into the engine without passing through the...

Unfortunately, no, they are not universal. The dealership is probably your only option for a replacement, unless you have something custom-made that offers more support.

Hi there. We really don't offer advice on "rigging" components on a vehicle. However, this video may help you.

Hello, a common mistake that people make is thinking the battery may be good because the lights come on. A bad battery may allow power for the lights but not enough power to start the vehicle. The only way to...

The check engine light comes on when the computer system detects a problem and stores one or more codes to help diagnose the problem. There can be 150 different stored codes and can be a minor or major issue and...

Hi. The belt tensioner pulley may need to be replaced if it is chirping. The chirping noise comes from the bearing inside the pulley that is worn out. It is typical for them to be replaced along with the serpentine...

The reason they do that is to make them more aerodynamic, so that they get better gas mileage ratings for the Federal Government and so that they get points from the government. So go ahead and take them off if...

This may be related to a dirty or failing idle air control valve, or throttle position sensor. The idle air control valve is a unit that reads the air intake as it is mixed with fuel, prior to being...

The battery should be load tested. If the battery fails the load test, the battery should be replaced. If you need to schedule battery replacement service, please schedule via YourMechanic's battery replacement service request page. If you request battery replacement,...

The very first thing to do is to make sure the floor mat in the floor is not out of position and causing the gas pedal to be touched by the carpet or floor mat. If mat is deformed then...

Hi there: If you turn the key on your Jeep and the engine cranks over every time, then the starting problem is most likely not the battery cables. However, if you turn the key and it takes a few times...

Hi there. It sounds like you may have blown a fuse during your repair of the main relay. Check all your fuses and relays and replace them as necessary. Then, using an electrical wiring diagram, verify that the wiring harness...

Hi, thanks for writing in. The O2 sensor is responsible for monitoring the exhaust gases (specifically oxygen content) coming out of the exhaust to determine if there needs to be any fuel adjustments to the engine during operation. When this...

Hi there. The oil smoke seen, should have had a bluish tint and did not quickly dissipate. There are several possibilities for engine oil consumption. The most likely cause for your engine, is a failed oil seal in the turbocharger....

The fuel shut off valve is a solenoid that is controlled primarily by the shut off relay. The message you are receiving is telling you the circuit has low voltage. This means the solenoid is not energizing the way it...

Do you hear the noise with the engine running and A/C off as well? If not, your problem may be the A/C compressor clutch or the bearings in the belt driven compressor pulley. If you always hear the noise while...

You are correct in that if the crankshaft bolt does break, this may cause some serious engine damage, even beyond the damage related to the timing components as there are other accessories that are driven by the crankshaft pulley as...