Q: Vehicle shifting by itself

The carburetor (https://www.yourmechanic.com/services/carburetor-replacement) may need to be rebuilt or adjusted. The EGR system (https://www.yourmechanic.com/services/exhaust-gas-recirculation-egr-valve-replacement) may also be causing the rough idle due to the EGR partly stuck open. The only way to isolate which one is causing the issue would...

Both sides of the rear seatback can fold down, which allows you extra storage space, or an opening to the trunk. Folding the rear seatbacks is very simple: Make sure that the front seats are not reclined. If the front...

The code P2076 is for the intake manifold runner control, and the other code P0067 does not show that it goes to the car and is not listed as a possible code. Your overheating should be checked before driving any...

Hi there - the best help going forward is to extract the problem codes turning on the Check Engine light. Most auto parts stores will read the problem codes for you for free. In a loss of power (https://www.yourmechanic.com/question/loss-of-power-while-driving) situation...

Hello, thank you for writing in. The vehicle is likely having an issue with the tires or suspension. Typically you start by testing the simpler possibilities and work your way to the more complicated fixes. With that said, one of...

This may be a sign of a faulty MAP sensor as the vehicle responds adversely to a load put on the motor (i.e. putting it in gear or engaging the brakes). The Manifold Absolute Pressure (MAP) sensor senses engine load...

Diagnostic trouble code P0075 (https://www.yourmechanic.com/article/p0075-obd-ii-trouble-code-intake-valve-control-solenoid-circuit-bank-1-by-jay-safford) means there is a fault in the Intake Valve Control Solenoid Circuit. A defective solenoid is one possible cause of the code setting but problems in the circuit wiring are often the cause of the...

If you have two programmed keys inside the vehicle or on your keyring than the computer detects this. You should not have two keys near vehicle at the same time.

Hi Ricardo. Thanks for sending in your question. If you've received all of these error codes, then there are two possibilities. First, that there are multiple component failures on your VW Passat, or the ECU is damaged in some way,...