Some 2001 vehicles equipped with a 2.0l spi engine may exhibit a pulsing or ticking noise originating from the engine compartment and / or may have a malfunction indicator lamp light on with diagnostic trouble code P0401 or P0402 code. *
Related OBD-II Error Codes
Vehicles impacted by this bulletin may show the following OBD DTC.
P0402 [1] Exhaust Gas Recirculation Flow Excessive Detected
P0401 [1] Exhaust Gas Recirculation Flow Insufficient Detected