Popular questions

This is a common symptom of the mass air flow sensor needing to be upgraded due to the increased air intake. The mass air flow sensor operates based upon predetermined stock tuning in the ECM. When the air flow changes,...

The tire pressure light may be on for a couple different reasons. The first is you have a tire low on air and would need to have it checked and fixed before going on a trip. If all the tire...

The key here is you are parking on an incline and the code P0876. One of the possible causes is the transmission is low on fluid. The code is for range or performance, and this means that sensor works sometimes...

It is possible that there could be an issue with your ignition switch. If the ignition switch is stuck in the start position even after the engine has been started, this can cause the starter to continue turning with the...

The brake light is an indicator that is used for many different reasons. The light can be for low fluid levels in the brake master cylinder, ABS backup failure light, parking brake light switch, and the dash test circuit. The...

Hi there - since removing the transmission (or engine - can be done either way), exposes the rear main crankshaft seal, and the input seal to the transmission these are always a good idea for replacement "while you're in there"....

The EPC Light is for the electronic throttle body. You need to have a qualified technician check the codes on the computer to determine the problem. You may just have a loose vacuum hose connected to the intake. The ABS...

If it is a power steering pump, then the noise should change as you turn the steering wheel from lock to lock. If it is an alternator belt, the noise will likely change as you add or remove electrical loads...

Having as much information as possible is extremely helpful when trying to troubleshoot a window that does not roll up all the way. It appears that someone may have started to diagnose your Accord’s window, since we know a part...

Rebuilding Cardon joints is a challenge to even the most experienced mechanic. If you like puzzles and have a high threshold of frustration, have at it. But there are many companies these days that specialize in rebuilding driveshafts and axles...

White smoke from the tail pipe on start up is normal. Your PT Cruiser's exhaust system gets hot and attracts moisture when it cools. Much like the condensation on your windshield in the morning. When you first start your car,...

Hello. I will be happy to assist you. I believe the problem you are having could be a result from a faulty mass air flow sensor or a throttle position sensor. Each component heavily inputs on the air fuel ratio of the vehicle....

Hello - sounds like you have more than one problem here. The battery drain problem can be diagnosed by connecting an ammeter to the positive (red) battery cable, observe the current drain (likely less than 1 amp), then, one at...

The parking brake fault on this model is typically traced to the switch or a failed mechanism in the caliper due to corrosion. There is a code reader that a mechanic can apply to read any stored parking brake fault...

Hi there. If the humming sound is coming from your vehicle while it's in gear, then the likely source is the transmission. It is possible that CV joints or wheel bearings might also be the source of your problem, but...

In order to properly test the cooling system you'll need to test the temperature at the temperature sending unit with a laser temperature tester or something equivalent. You'll also need a scanner to look at the reading to the ECM...

Mercedes uses a devilishly complicated automatic tensioner whose life span is about the same as the belt. The tensioner depends on the twisting force of a sleeve of bonded rubber to keep the belt tight, and by the time the...

This may be related to a faulty throttle position sensor or potentially a dirty or failing mass air flow sensor. The mass air flow sensor is a unit in the intake system that monitors air intake as it is mixed...

Hi, thanks for writing in. It sounds like there may be a problem in the wiring, a faulty connection, or even a control module. It is going to take some diagnostic work to determine exactly where the problem is located....

Your car is equipped with a pretty advanced system designed to help you remember when most of your maintenance services are due. These reminders are shown in the Maintenance Minder on the dash of your car. The Maintenance...

To be safe, check to make sure that you are not having a problem with the engine belt slipping and causing the squealing noise. Also, make sure the metal backing plate behind the rotor is not too close and rubbing...

Hello. The inlet hose for your heating system is the hose that goes to the water pump area. The other hose is the outlet. These flush kits will actually work on either one though as it does go through the...

Hello there, a few common faults will cause your 2004 BMW 540i to have a misfire on acceleration. Without knowing what code the engine is storing I can only offer general advice. Likely causes for the car to misfire like...

This may be related to a dirty or failing idle air control valve. The idle air control valve reads the air intake as it is mixed with fuel prior to being injected into the engine at low speeds and at...