Did your vehicle's check-engine light just pop on? An OBD-II scanner can provide some direction. We tested a handful to find ...

P0442 is one of the Diagnostic Trouble Codes (DTCs) identified by the engine control module (ECM). If you have an OBD-II code scanner, you can identify the problem yourself and try some steps to solve ...

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The ODB II diagnostic scanner is used to diagnose the engine control unit. The scan tool connects to the vehicle's diagnostic port. Once connected to the vehicle, the scan tool becomes another module ...