Popular questions

Hello - yes, low oil pressure and high miles can certainly product a metallic clattering from the timing chain set, as well as knocking noises from worn connecting rod bearings and crankshaft main bearings. If you are getting low oil...

You should either visit your local parts store to purchase the oil and filter for your vehicle or have a mechanic like one from YourMechanic come and perform the service for you. The engine will use 0w20 oil and filter...

If your Corolla has the optional Entune™ Audio Plus With Connected Navigation App, then there is built in navigation. To my knowledge, Entune Audio alone does not have navigation. To be sure, simply look on the window sticker for the...

In most of these cases it is necessary to hear the type of engine strain you are describing to make a more accurate assessment. But based on your symptom that once the vehicle runs fine after it sits, this indicates...

You will need to have the fuel pressure checked to see if the fuel pump is holding pressure over time and not leaking down. You may need to replace the pump and filter.

Hi there. When you wiggle the wires to the kill switch and the gauges start to work, then the contacts inside the switch could be broken. You could replace the kill switch with a toggle switch that will do the...

The O2 sensor is a sensor in the exhaust system that reports to your car's computer how much unburnt fuel is in the exhaust gases, which then tells the fuel injection system how to adjust the fuel mixture. When the...

You need to check the large fuse links at the harness from the alternator to the battery. If the fuse link is blown the battery will not get charged. If you are having trouble pinpointing the problem, a local expert...

If the oil filter gasket does not properly seal, this may result in oil leaking out. Depending on the severity of this and how quickly it leaks, this may result in the motor running dangerously low on oil which can...

Hi there. Once these parts are replaced you need to do the test procedure with the same plug otherwise the light will remain on. If you did the reset then the circuit will need to be tested. It can also...

Hi there, thanks for writing in. I'd be happy to help. This is a common symptom of a failing mass air flow sensor or throttle position sensor. A mass air flow sensor is a unit that monitors the air flow...

There could be an issue with the oil level and/or the oil pressure. But, the oil pressure can only be measured once the engine is running. If the engine won't start at present, the best course is to request a...

Hello. The trigger system that your codes may be referring to could be the crankshaft or camshaft position sensors. Many engine management systems use these signals as a trigger point for their ignition systems. It could be possible that there...

Hello, There are a few things that can cause the car to jerk like this. One of these is a dirty or faulty mass air flow sensor. The mass air flow sensor monitors air intake as it is mixed with...

Hello. Unfortunately, there is not really anyway to tell whether or not a genuine head gasket was replaced or sealer used. I would recommend having an expert from YourMechanic come to your home to take a look at the car...

This may be a sign of a faulty MAP sensor as the vehicle responds adversely to a load put on the motor (i.e. putting it in gear, making turns (which makes use of the power steering pressure switch) turning on...

At 200 thousand miles it could really be just about anything. But the good news is that car that cranks but will not start is usually the easiest kind of problem to diagnose. Your car needs fuel, ignition, and compression...

Hello. If you have an engine that is cranking but not starting, then you need to look on dashboard to see if the theft light is flashing first. If it is, then try a different key to see if that...

If the struts are defective, that can be a cause of vibration. It sounds like the struts have to be replaced anyway, so I would suggest doing that first. Check the exhaust system (is it all OEM?). Check for damaged...

The alternator in your car charges your battery with the assistance from the voltage regulator which is something that regulates the amount of voltage being sent to the battery via the charging from the alternator. It's function is to not...

Hey there, thanks for writing in about your 1997 Mercedes Benz E300. Check to see if you see any tilting of the vehicle to one side. You may also notice an abnormal amount of bouncing when driving the car. These are all...

Hi there. If you have had a rodent living in your engine compartment, there could be multiple issues as rodents tend to chew through just about everything. It is possible that the rodent could have damaged the vacuum pump, but...

It is very possible that moisture is getting into the connectors of the engine control module. The connectors should be checked and cleaned if necessary. Di-electric grease can be used to help seal the connectors and keep the moisture out....