P0029 - Exhaust Valve Control Solenoid Circuit Range/Performance (Bank 2)

About Trouble Code P0029

If engagement of the variable valve lift solenoid for the exhaust valves for bank 2 take to long or do not engage at all, the result will be trouble code P0029. The engine’s computer controls the variable valve lift solenoid, if it does not respond correctly, the computer will recognize the problem.

Symptoms of Trouble Code P0029

The check engine light illuminating will be one of the first signs of the problem. During times of idling and driving you will notice the run of the vehicle is very erratic. There may be an overall lack of power if the valve fails in the low position. You may even find that the engine is stalling.

Causes of Trouble Code P0029

Short or open wiring and connections to the exhaust valve solenoid or the engine’s computer can cause this trouble code to occur. There may also be a problem with an internal short circuit in the exhaust variable valve lift solenoid. If the computer tries to shift the exhaust valve solenoid for bank 2 and it does not respond, the result will be trouble code P0029.

How to Fix Trouble Code P0029

Clearing the code and driving the vehicle to see if the trouble code resurfaces, is always a great place to start. You will also want to check the variable valve lift solenoid for the exhaust camshaft bank 2 for damage. Look over the wiring and connections to the exhaust lift solenoid for corrosion or damage and replace if necessary. There could be a problem with the engine’s computer itself, look into this if no other solution presents itself.

Facebook
Twitter
LinkedIn
Link To Directory
© 2018 OBD2 Scanner LLC. All Rights Reserved. - Developed by Interfuse