2005 Mazda 3 2.0L Engine Trouble Codes P2112, P0130, and P0638 Explained
My 2005 Mazda 3 with a 2.0-liter engine is displaying three diagnostic trouble codes: P2112, P0130, and P0637. I'm looking for help identifying the root causes of these issues. Any insights or solutions would be greatly appreciated. Sincerely, Bryam Cox
P0130 (2.0L L4 VIN - Auto): HO2S-11 (Bank 1 Sensor 1) Circuit Malfunction - Indicates a problem with the oxygen sensor in Bank 1, Sensor 1, possibly due to contamination or wiring issues. P0638 (2.0L L4 VIN - Auto): Throttle Actuator Control Range/Performance Issue - Suggests the throttle body may not be responding correctly to engine control signals, potentially leading to poor acceleration or hesitation. P2112 (2.0L L4 VIN - Auto): TP Sensor Minimum Stop Range/Performance Problem - Points to an issue with the throttle position sensor, which could affect idle stability and fuel delivery.