Popular questions

Vibration at that speed is often related to the tires. It could be that one or more of the tires are out-of-balance, or that they have worn unevenly and now have a bad pattern worn into them. Vibration can also...

If you are using stop leak, you will want to pour it into the radiator, which is the same place that you would pour the coolant in. This is how the stop leak will be introduced into the cooling system....

Unfortunately, the cause of your concern cannot be determined without visual inspection and further testing. While it is possible that your throttle position sensor may be faulty, it is more than likely that it could be a wheel speed sensor...

Hi there. If the timing belt is slipped it can impact ignition timing, which will effect whether or not the vehicle can start. The best recommendation I would make is to make sure to have one of our professional mobile...

If the check engine light (CEL) has illuminated that does signify that there is an issue with the engine and/or a part of the "engine management system". You should get it checked out especially as it is possible that the...

Hello. The P0013 code very common in this engine. This is due to a bad variable camshaft solenoid on the exhaust cam. These fail all of the time. It allows the computer to adjust valve timing for better economy and...

There vehicles are very bad for having failed ignition control modules or crankshaft position sensors. In some cases, a trouble code will not show up for this concern, but the sensor signal will drop out when you view the data...

In your initial question, I did not know that valve damage occurred as a consequence of a failed timing belt replacement. The 4 valves that the shop "claims" were damaged might merely represent what they "think" was the extent of...

Hello. Without additional info as to what the car is doing this may be hard to diagnose without seeing the car and listening to it in person. You'll first want to check if it is making a clicking sound or...

Ticking or knocking sounds typically come when the engine has been ran low on oil for a period of time or if the engine has had the wrong oil in it. I would recommend checking your oil level to ensure...

Hello. If the knock is very high pitched then you may have contaminated fuel. If there is contamination or gasoline in there then this will occur. There are some diesel fuel additives that can be added to remedy this. If...

Hi, thanks for writing in. You will need to have the cooling fan clutch checked to see if it is working properly. The engine will not cool properly if the clutch is not locking enough as the engine gets hot....

Hi, thanks for writing in. I'd be happy to provide my insight. There are a few other possibilities with this scenario. The blower switch, the blower motor itself, function switch or the blower fan relay could have a problem. What...

The MAF sensor may be not reading the correct altitude you are at and may see 10,000 ft when you are less than 500 feet. When you disconnect it the computer uses a set look up table stored in memory...

The rumbling noise may be coming from the loose catalyst in the exhaust piping. It would need to be verified by a road test to listen to the noise. If the catalyst is breaking up in the exhaust then the...

There will be a few bolts with ten millimeter heads. You will need to remove these first. Usually, you will be able to slide the reservoir out, but sometimes you will need to remove the fan motors as a complete...

Unfortunately, YourMechanic does not diagnose problems with, repair, or install aftermarket sound systems. I would recommend reaching out to the products manufacturer to determine if it is compatible with your vehicle.

Hi there, thanks for writing about your 1979 Volvo 244. First, you should confirm there is good spark at the spark plugs to eliminate ignition as a problem. Then, check fuel pressure for the correct pressure - it is likely...

The alternator is one of the most common problems, as is the idler pulley. These would need to be checked to see if this is the noise. The best way to diagnose the problem is to have a mechanic listen...

Hi there. Typically when this issue occurs, damage will be instant - meaning if it's going to damage the ECU, replacing the fuses would not help start the vehicle. So, at first glance, I would assume the ECU is OK....

Hello, well it sounds like a common issue in the braking system. One thing I would make sure of first is replacing both calipers (one axle) at the same time. The braking system is a hydraulic system and if there...

Hi. Even though the lights may be on in your car, this still does not signify there is enough power to start the car. The battery very well be on the brink of complete failure. I would recommend a certified...

Hello, thank you for writing in. With white smoke coming from the exhaust, the smell of coolant, and the (very likely although unmentioned) lowering of the coolant level, it is quite apparent that the coolant is making its way passed...