Popular questions

Based on your description, it sounds like your 2007 Mercedes GL450's fuel pump may be randomly shutting off. This can be due to a malfunctioning powertrain control module as the repair shop told you. This can also be related to...

You cannot use the engine and transmission combination in your vehicle. Your vehicle is not AWD and the two computer systems are not the same. The two have different wire harnesses as well as different body designs. I recommend not...

I would need to know more information about the year, make, model, and engine of the vehicle for more precise help since the car surging could be caused for a number of reasons. The Check Engine Light is the first...

Fuel economy has many influences on it which can raise or lower the MPG. Are you calculating the fuel economy figure per tank or off the trip computer? The trip computer is a constant average that might be resettable (see...

California guidelines prohibit the modification of the camshaft that you are contemplating. Consequently, anyone in California who is actually a knowledgeable engine specialist is not going to do this kind of work because it would be flat out illegal. There...

The manual reclining lever is located on the outside of the driver and passenger seats. To recline, pull the lever upward, and lean backwards until the seat is in your desired setting. To return the seat upright, pull the lever...

HI there. There are different symptoms that create smoke that emits from the tail pipe. Here is a description of the different smoke for you to check: Smoke Types Blue: Blue smoke is an indication that the engine...

You would need to have the leak better identified as to why it is leaking so a mechanic or you can replace the bad part or gasket. If you can supply a picture of component leaking then I can better...

Hi there. Unfortunately this vehicle will only work with the doors locking when putting the vehicle into drive and unlocking in park. There is no way for this to happen when putting the vehicle into drive. It can possibly be...

You may not be able to remove the arm rest without removing the entire door panel first. Depending on vehicle, you may only have to remove a couple screws and the door panel will lift straight up and off. Some...

Hi there. The process of installing a new turbo can take quite some time - but only if your car has not had a turbo on it before. In many cases, when a car is taken to a 'mechanic shop',...

Hi there - Denso and Bosch are original equipment suppliers for Nissan. These may be purchased as "rebuilt" or "remanufactured" at lower prices than new, or Nissan-branded parts from a number of quality parts supplier. "Less expensive" may only consider...

Hi and thanks for contacting YourMechanic. What might have happened is that water from cleaning the engine may have gotten inside the engine. Check all of the intake hoses and be sure that the clamps are tight. Remove the air...

There are lights that indicate the function of the Turn Signals located on the dashboard. The Turn Signal Light is displayed by two left and right arrows. To understand the Turn Signal Light. When the left or right turn...

Hello, thanks for writing in about your Ford F-150. I'm curious if you got the new PCM from the dealer. You should check if have the exact same part number on it. If the part numbers do not match and...

Hey thanks for writing in about your 2008 Saturn Astra. It is unlikely the problem is cause by the engine "not being strong enough" to power the accessories. If the noise changes while turning the air conditioning on and off,...

To test the crankshaft position sensor requires an automotive scope (oscilloscope). If there is no spark using a standard spark tester, remove the distributor cap and be sure the rotor actually turns when the engine is cranked. Check the cap...

Hello, thank you for writing in. The most recent issue with stalling may have triggered additional codes, and the vehicle should be scanned again for a more accurate idea of where to start with diagnostics. From there you can start...

Hey there. I would expect that you have a Check Engine light on, and there are problem codes set which would be helpful. Leave the coil wiring connected, remove a spark plug, keep the metal casing grounded, and turn the...

Anytime you go to a parts store to get a computer scan for the Check Engine Light you are not getting a diagnosis of the problem but only a code retrieved from the engine control module (ECM) memory. This is...

Autozone cannot hook a code reader to any vehicle manufactured before 1996 generally because these are not OBD-II equipped vehicles. An experienced technician like one from YourMechanic however is capable of pulling the check engine light fault codes fro the...

Hello. If the system is not leaking anymore, and if the thermostat is new then you have another issue going on with the vehicle. This may be an issue with the a clog in the radiator, a coolant flow issue,...

Your car has a small purge valve that controls the venting of fumes from the fuel tank as these fumes build up inside, particularly when you are refueling the car with gas. The EVAP system prevents fuel vapors from the...

Leaving the gas cap off wont usually cause drivability concerns. Its function is basically to keep fuel vapors where they belong. If left off it often triggers a check engine light, but nothing more. Notice how I said "usually" in...

Hello. It sounds to me like you are having an electrical/computer issue with your vehicle. Usually a computer issue that does not prevent the vehicle from running is okay to drive still. Most computer issues only prevent things from working....