Popular questions

Your car has quite a few important lights on the dash designed to provide information and alert you to impending problems. The Low Oil Pressure light (looks like a little oil can) should come on briefly during startup and then...

Hello. If the PCV system is not hooked up correctly, this will cause excessive oil burning. This needs to be checked and repaired first. If the PCV system is working then the issue is more than likely the piston rings...

Check the battery for any parasitic load applying to it. To do this, make sure that the battery is fully charged and remove the negative battery cable from the battery. Then put a digital meter cables on the negative battery...

Hello. The clicking sound you are hearing may possibly be related to the starter solenoid which is a unit located on the starter that transfers current to the starter when you turn the key. The grinding noise you are hearing...

If the symptoms occurred immediately after the engine conversion (from 2AZ to 1AZ), such problems can stem from incompatibility of engine computers and controls. If this modification of the engine was performed at a regular Toyota dealership though they may...

If you were getting a rattling noise in the lower front of the motor then you engine may have jumped timing. The timing chain may have been so worn that it jumped ignition timing between the crankshaft and camshaft. That...

I am almost certain that the cause of your issue is that your radiator fan is no longer working. I would recommend starting your vehicle and letting it get to operating temperature. After it reaches this point, open your...

It sounds like your truck overheated and caused it to turn off. One thing that could cause it to overheat would be a bad thermostat. I would recommend having the thermostat replaced and make sure there is coolant in the...

From what you described about your 2000 Ford Focus, you may have a bad tie rod end or a bad tire. Have the front end inspected and checked for damage. A vibration is most likely a tire or bearing, and...

Hello, thank you for writing in. When you have any type of warning light it means the computer has detected an issues when it was running tests. The computer is constantly running tests, and even stores some of their codes...

The windshield wipers provide visibility when you are driving in wet weather. To turn on the windshield wipers, pull the wiper lever (located on the right side of the steering column) down. If the lever is lowered to the first...

Hello. There is a huge variance in manufacturer estimates of serpentine belt lifetime. This is understandable because operating conditions vary, vehicle designs vary and the belt material will degrade at different rates. You should get at least 50,000 miles out...

Hello. If you continue to have a low voltage issue with the new alternator then there may be a circuit issue. Most of the time, if the alternator is good, it is the battery cables or there is an issue...

Hi there. From the description you have given, the charging system needs to be inspected. First, the battery needs to be charged and load-tested. Assuming the battery tests good. The battery terminals are clean and tight. From what you described,...

The loss of coolant can be determined with a couple tests. The coolant overflow bottle can have a combustion tester put on it. This will allow you to see if there is any combustion getting into the coolant, indicating a...

Hi there, The mass air flow sensor is a unit in the intake system that monitors air intake as it is mixed with fuel prior to being injected into the motor. When this fails, this can cause an imbalanced air/fuel...

Hi there. It really depends on which US state you live that will dictate what is causing the Dodge Avenger to fail emissions. Some states have a safety inspection along with an emissions test; like Utah for example. Both need...

Hello and thank you for contacting YourMechanic. If the engine light is on for code P0105, then the computer has lost communication from the MAP (Manifold Absolute Pressure) sensor. Check the harness to the sensor for any corrosion and look...

Hi. The most likely cause of this problem is the oil level sensor has an intermittent problem and is about to fail. There is electrical circuitry inside the oil level sensor that sends info to PCM. Sometimes this electrical circuitry...

A great resource to try is tirerack.com. They have a great tire/wheel selection with an easy to use website that will provide the answers you are looking for. You can also try searching for some automotive enthusiast forums specific to...

I would suggest checking the MAF sensor for starters, but also check timing to be sure it set properly. This can affect the fuel economy and the acceleration for sure. When the timing is not correct, the combustion cycle will...

Hello, the concern you have I strongly advise not to drive. The issue needs to be addressed, the vehicle will become inoperable. The automatic transmission has 3 systems; electronic, hydraulic, and mechanical. What describe could be an internal mechanical...

Hi there. The only thing that could cause the severe issues that you are having with your vehicle is a leak in the exhaust system and having cold water enter the catalytic converter causing the chamber to collapse. Check the...