Circuit/System Testing: P0506
WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
- Excess deposits in the throttle body.
- Restricted exhaust
- Mechanical conditions that limits engine speed
- Parasitic load on the engine-For example, a transmission condition, a belt driven accessory condition.
- If a condition is found, repair as necessary.