Buick Park Avenue random stalling and loss of power issue resolved by replacing mass air flow and crankshaft position sensors on Buick Park Avenue

Submitted by John 62775d · Jun 23, 2025
Published by RepairPal

Problem overview

Some Buick Park Avenue owners report experiencing random stalling and loss of power, which can often be resolved by replacing the mass air flow and crankshaft position sensors. These sensors are vital for the engine's performance; a failing mass air flow sensor can send erroneous signals to the engine's computer, leading to stalling and power loss. Additionally, a faulty crankshaft position sensor can cause unexpected engine stalls due to incorrect timing signals sent to the engine control unit. By addressing these sensor issues, owners can improve the reliability and performance of their Buick Park Avenue on the road.

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