Steering and Suspension
The steering rack on the Alfa Romeo 159 is known for failing. If you can hear a knocking noise coming from the steering rack as you turn the wheel, and/or the steering is feeling heavy, then you most likely have an issue with the steering rack. The steering warning light may also illuminate on the dashboard to indicate this fault.
Braking
In certain cases, the factory fit rubber brake hoses on the Alfa Romeo 159 were not correctly vulcanised during the production process. As a consequence these brake hoses may partially or totally restrict the internal flow of brake hydraulic fluid, causing a significant reduction in efficiency during braking.
Filters
The Alfa Romeo 159 can experience a loss of power due to a possible fault with the Air Flow Meter. If this fault is detected, check the Air Filter for media integrity that could be contributing to the degradation of the Air Flow Meter.
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