Popular questions

Hello. This is most likely a faulty fuel sending unit. This is a unit that sits in the fuel tank that sends a signal relaying how much fuel is in the tank. These commonly go bad on many cars. If...

You will need to do some further testing to figure out where the issue is. This is going to require you trace the power supply from the brake pedal to the bulb. All of the following can be the cause...

Hello. If the stereo is on then the vehicle should have some power but the battery should still be load tested. It is common for the battery to have just enough power to provide some power but not enough to...

Hi there. An exhaust leak happens when your exhaust manifold: cracks, shifts out of place, or when the gasket does not longer seal against the engine. YourMechanic can diagnose this issue further in order to ensure correct part replacement. ...

The PCM/TCM selects the gear based on vehicle speed and load. If you are noticing that the shift pattern is different than your earlier experience with the car, there might be a malfunction but otherwise you have to first see...

I would take it back to the dealer as soon as possible and have them recheck everything to make sure a brake pad sensor is not out of place and to fix the problem. The dealer uses all factory...

Hi there. This is a somewhat common issue with the majority of the E90's and E46 BMW's. These motors have what is a called a dual mass flywheel which is commonly known for creating this kind of a slight clunk...

Hi Latorus. Thanks for contacting us tonight. Anytime a car overheats, it can cause a tremendous amount of damage to the engine and electrical components (especially if coolant spills under the hood and penetrates sensors or other electrical harnesses). In...

The Check Engine Light coming on was an indication that there is a problem. Did you notice high temperature or if the engine was overheating? If there were no indications other than the Check Engine Light, then the system would...

Hi there. Assuming you correctly gaped the spark plugs as recommended by the manufacturer, and installed the plug wires correctly, it's likely that this is due to an electrical relay that may have been damaged (especially if you did not...

The excessive fuel condition is from the exhaust regeneration system malfunctioning and should be diagnosed following updated diagnostic procedures for the check engine codes received. Follow technical service bulletin 09-10-02 for an updated procedures directive.

Hi there. Since your issue is intermittent this would lead me to believe you are experiencing a bad connection behind your dashboard. A loose connection between your light bulbs and sockets will cause this problem along with a fault in...

The noise that you are hearing is the lifters tapping on the engine as they are not getting any oil. The best thing to do is find out what type of engine oil was put into your vehicle from when...

Hi there - check the problem code that keeps coming up. I suspect a mismatch between the throttle position sensor (TPS) and the engine computer. The TPS has software in it that has to be coded specifically to the engine...

The first to do is to look at the gas refueling location to see if you have the no cap design or the cap is just missing. If you have the no cap design then you do not have to...

Erratic shifting into gears too early will cause overloading of the engine and the shaking you feel. An engine that misfires under load may miss when at this speed before shifting into overdrive. If the transmission is shifting into overdrive...

Any abnormal noise coming from a car always gives me an uneasy feeling, so I can understand the concern here. In fact, this is an issue I am quite familiar with. Our first step would begin with checking the level...

Hey there. Even though you've cleaned the idle air control valve, that doesn't guarantee that the valve isn't still sticking or otherwise malfunctioning. You could try very gently tapping on the valve and see if that affects engine speed. The...

You need to check the right rear under vehicle to see if your rear a/c heater hose is leaking or broke the control valve. If you did not break a hose you can bypass heater core by connecting the two...

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...

You can troubleshoot the power windows if they fail to close all of the way. Stop the vehicle. The ignition must be in the on position. Hold the power window switch again for at least six seconds after the...

Hello. From what you describe it would appear that your vehicle is running rich, which can be caused by a wide variety of issues. A few common causes are a faulty fuel pressure regulator, leaky fuel injectors, a bad fuel...