Popular questions

Your issue doesn’t appear to be a starter problem. The starter’s only job is to crank the engine. And from your description it is doing that (unless it is cranking very slow). Your problem seems to be that the engine...

Hi there. Typically an engine tapping noise is caused by either cylinder head lifters that are loose or worn out, rockers and valves not properly adjusted, a timing belt or timing chain that is loose or crankshaft / cam out...

This may be related to many different possibilities, some of which may be related to a lack of spark and some of which may be related to a fuel delivery problem or a combination of both. For example, if the...

The most likely cause for your engine performance problem is a balance chain and fuel pump issue. GMC has released Special Coverage Adjustment 12313B which outlines replacement of the fuel pump and balance chain. A fault with either of these...

It sounds like you may have a dirty or failing idle air control valve. The idle air control valve monitors the air intake as it is mixed with fuel prior to being injected into the engine at low speeds and...

Hi there thanks for writing in about your 2006 Lincoln Zephyr. This sounds like a failing idle air control valve issue. If this is confirmed, and the valve is replaced, there is also a 'relearning" process for the engine management...

Hi, thanks for writing in. This can be caused by many different things such as faulty or plugged injectors, low fuel pressure or a faulty O2 sensor. If you would like help, consider having an expert automotive technician from YourMechanic...

Hi There, As you may know, there are a few things that can go wrong with your charging system with one of those being the alternator. In addition to the alternator not properly charging the battery, in some cases this...

There are a number of reasons why your car may be overheating. number one is a possible coolant leak. If a hose or a radiator or other part of the cooling system is leaking, and the coolant is not replenished,...

It sounds like you are referring to delayed shifting. That can be caused by an inadequate amount of transmission fluid, solenoid faults, faults in internal transmission hydraulic pressure control, engine control faults (e.g., throttle position sensor), and many other types...

It sounds to me like the valve timing is now incorrect. The pin that you are referring to might be an alignment pin of some kind. If the valve timing is not correct, this can cause the valves to tick...

It sounds like your battery is no longer strong enough to accept a full charge. When the engine is running and the alternator is charging, if the battery does not receive this charge it will have the same state of...

Hi there. It seems that your vehicle has multiple malfunctions that are happening at the same time. The idle air control valve has a fault, evaporative emission system has a large leak, the gear ratio is incorrect, and knock sensor...

This could be a symptom of a bad clutch. Another way to test the clutch is to drive down the road, get into 3rd gear and with your foot on the gas pedal push the clutch in and let the...

Hi there: Anytime an error is detected it stores a trouble code in the ECU which illuminates the check engine light on your BMW. In order to determine what's causing issues, or causing the check engine light to illuminate, you'll...

Based on these fault codes, it sounds like you have an oxygen sensor that as failed and it will need to be replaced. The trouble codes will also have to be cleared after the sensor is replaced to see if...

I would suggest checking the Kelly Blue Book website with specifics related to your zip code as market prices of cars vary by zip code. This will give you a baseline for determining whether or not the car is within...

Hi there. It is possible that a charging wire running from the alternator to the battery that is damaged and needs to be replaced. If the alternator was tested and was good, then it's possible that you have a stuck...

Hi there. This generally needs to be completed by a professional mechanic that can complete a reset and clear the existing codes with a digital scanner. You can request an estimate to have one of our mechanics come to your...

A few things to check before you condemn the engine. Sometimes a coolant leak can get into the cylinders of the engine when it is sitting. This will hydro-lock the engine. Water above the piston does not compress and will...

Engine misfires can be caused by many different problems and are generally caused by either a spark or fuel issue or in some cases, a combination of both. Spark related problems generally will result from things like ignition coils, crankshaft...

It doesn't sound good. Loud noises associated with a power loss could be pointing to serious engine damage. You should stop driving the car now and get somebody to look at this thing to make sure things don't go from...

Hi Kenney. Thanks for writing in to YourMechanic.com tonight. Usually the type of noise you are describing is caused by wheel bearings that are wearing out. The rear brakes are hardly used on your Corolla, but it is possible that...

Hello. It's quite possible that there is no one at fault here. It may just be unfortunate timing. I'm assuming that you have had the codes read and that is why you have decided you need to replace the catalytic...