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Why is my car suddenly making a loud noise?
What’s happening: You probably have a leak or crack in your exhaust system’s manifold. The roaring you hear is excess engine noise that would normally get silenced by the muffler. When your exhaust system fails, all of your engine’s sound waves and vibrations get channeled into the car.
What does it mean when my car makes a humming noise?
A low-pitched humming from under your car Note when the noise happens so you can better help your mechanic diagnose the problem. If your car makes a humming noise, it could mean the differential needs lubricant, the transmission is failing or the universal joints or wheel bearings are wearing out.
Why does my VW Jetta stall when I let off gas?
A dirty throttle body can lead to stalling in your Jetta. If you let off of the gas coming to a stoplight and it stalls for a second or two and recovers itself, it very well could be a dirty throttle body that is causing the problem. Here’s a great YouTube video from EricTheCarGuy. on how to clean a throttle body.
Where is the throttle position sensor on a VW Jetta?
Your Volkswagen Jetta uses a series of complex sensors to report what is going on to the ECU. The ECU then uses this information to adjust the timing, air fuel mixture, and more. When one of them goes wrong, it can lead to stalling for sure. Throttle Position Sensor – The throttle position sensor is typically located on the gas pedal.
What causes a Cadillac Escalade to stall at a stoplight?
If you let off of the gas coming to a stoplight and it stalls for a second or two and recovers itself, it very well could be a dirty throttle body that is causing the problem. Here’s a great YouTube video from EricTheCarGuy. on how to clean a throttle body.
Why does my Audi A4 stall when I push the gas?
VVT Problem – Many modern engines are equipped with Variable Valve Timing. This allows for the engine to be in the “sweet spot” of power or economy depending on how hard you are pushing the gas pedal.