Q: Air coming through window

Hello. The P0013 code (https://www.yourmechanic.com/article/-p0013-obd-ii-trouble-code-b-camshaft-position-open-or-short-in-oil-control-valve-ocv-bank-1-by-jay-safford) very common in this engine. This is due to a bad variable camshaft solenoid on the exhaust cam. These fail all of the time. It allows the computer to adjust valve timing for better economy...

With the vehicle off, pump the brake pedal until all of the assist has been diminished. This will empty the brake booster. Upon pumping, the pedal should become more and more stiff until it feels like you are almost stepping...

Hello there, losing power in this manner is not usual for the BMW 535i. The fuel pump warning light on your vehicle comes on when the computer detects lower than normal fuel pressures. Many different faults can cause this low...

Hello, thanks for writing in about your Toyota 4Runner. Your A/C has separate temperature control actuators on the A/C evaporator case and the passenger side one may be stuck in cold position. Replace the actuator and it should fix the...

Cold weather can effect your car in a number of ways. To start, we need to know if the engine is cranking but not starting. If the engine is not cranking, or has a slow crank on cold mornings, your...

Any number of components can cause a crank but no start condition. Lack of spark - caused by a bad ignition coil or control module, as well as a crank shaft sensor could be at fault; lack of fuel due...

Hey there. This sounds like an air/fuel delivery problem which may be a result of a dirty or failing mass air flow sensor (https://www.yourmechanic.com/services/mass-airflow-sensor-replacement). This may also be a result of a failing O2 sensor (https://www.yourmechanic.com/services/oxygen-sensor-replacement) which may also cause...

In order to know if the alternator is bad it will need to be tested using a volt and amp meter. Also the engine will need to be scanned to see if the computer is controlling the alternator charge output....

Coolant leaks can be external or internal. If the coolant is leaking internally into the cylinders or crankcase, that will require a fairly significant repair. If the coolant is leaking externally, unless the leak is at the head gasket or...