Popular questions

Hi there. There is no directly front motor mount, but there is a mid mount extended to the rear of the engine and a side mount just under the crank area to the frame. There is also a mount that...

Hello, thank you for writing in. The vehicle may be having spark issues. If the spark is not strong enough to ignite all of the fuel, or does not ignite the fuel at all, the spark plugs may not be...

It is possible that this is a misfire condition either due to a faulty ignition system component or fuel injector that is creating a power imbalance that will cause a shudder sensation. The fuel system and ignition system should be...

Hello. E85 can cause some serious damage to your fuel system, especially to the seals in the system. If you flushed the majority of it out and added fresh diesel then you will more than likely be just fine and...

Hi Alex. Thanks for contacting us today. Unfortunately, when any bypass or non-OEM system is installed such as an AC bypass pulley, it's not possible to reprogram the ECU to delete warning lights. It's one of the drawbacks to installing...

This vehicle would use the newest version of Mercon transmission fluid. The new versions of Mercon transmission fluid supersede all previous versions. Cars that originally called for Mercon 3 or Mercon 4 would eventually be using Mercon V. There are...

If your vehicle is equipped with anti-lock braking, you have to either bleed the ABS pump and valving (per Factory Service Manual instructions) or use a bi-directional scan tool to remotely actuate the ABS system during brake bleeding. Otherwise, in...

The alteration in weight will require suspension/alignment modifications that will have to be engineered. The carryover of the PCM and all controls must be comprehensive but even if you can get it to work, you might run into issues using...

Hi there. One minor, yet highly important detail that most aftermarket part manufacturers fail to tell customers is that the installation of their components will impact the operation of the sensor that monitor systems on OEM vehicles; like your BMW....

Ethanol is a chemical compound that has very specific, defined combustion characteristics once used as a fuel in an engine, or once mixed with other fuels such as gasoline. Voluminous data documenting the advantages and disadvantages of ethanol as a...

Hi there. On the "front" end of the crankshaft is a harmonic balancer held on by one large bolt that is torqued to 132.8 ft. lbs that is pretty tight. It's not too likely that the bolt is "loose". The...

Check the spark plug, ignition coil, and fuel injector for proper spray pattern. If all are good, then it may be a wiring issue or possibly carbon build-up on the intake valves effecting the fuel mixture. If you'd like some...

Hi Paul. It certainly appears you've covered most of the bases in regards to tracking down a misfire. However, the problem with a flood or excessive water (like you've explained) is that quite often, electrical harnesses will become damaged and...

Its possible that a bad gasket could be allowing the coolant to cause your misfire. There are many places that coolant can leak and many causes for a misfire like yours. The symptoms you describe may not be related to...

From your description I believe that there may be a problem in the rear differential of your vehicle. More specifically the pinion bearings. It sounds like they may have gone bad and this has caused excess movement in the drive...

Hello. It sounds like your engine drive belt may have broke. If this occurs your engine accessories will no longer spin causing the steering to be hard and the voltage light to come on due to no charging from the...

All of the essential equipment, test and diagnostic instruments (scan tools, programmers, automotive scope, etc.), jacks and tools are brought right to your location by a certified mobile mechanic. You may purchase only the diagnostic service and then perform your...

It sounds like you are experiencing a lean condition and engine pinging. The most common fault I have seen for this is when the mass air sensor causes the engine to go too lean. When you look at the scanner...

Hello. If the car is overheating severely, the heads and/or block will warp and the engine will have to be rebuilt. Best not to drive it if you know it is overheating. If you are continually replacing coolant but it...

Hi there - BMWs are expensive to maintain. The X3 is a very sophisticated, high-performance sport-utility vehicles with a large number of electronic creature comforts. These systems inevitably breakdown, and are expensive to repair because of their complexity. The 2004...

If the he purge valve is open all the time it may cause the fuel tank to go into a vacuum and cause the gas to vaporize more than it should. You should not see very much loss of fuel...

The first concern is your oil system. Do you have full and clean oil in the vehicle? If the fluid is low, or there is an oil leak, the vehicle will have low oil pressure at idle. When the engine...

Hello - if the code you mention is actually P1340, this would mean one of the cam position sensors is failing/has failed. This failure would not be uncommon on a vehicle with your mileage, and could easily cause the start/stop...

This issue may be caused by a dirty throttle body, fuel injectors, or the fuel filter. If you still need help, YourMechanic can dispatch out a professional mechanic to your home or place of business to diagnose and replace anything...