DTC C0298 Buick

Fuel Trim Cylinder Balance Bank 2

Fuel Trim Cylinder Balance Bank 2

Description

DTCs P0030, P0036, P0050, P0053, P0059, P0101, P0102, P0103, P0106, P0107, P0108, P0117, P0118, P0128, P0131, P0132, P0133, P0134, P0135, P0151, P0152, P0153, P0154, P0155, P0201-P0206, P0300, P0301-P0306, P0411, P0412, P0418, P0442, P0443, P0446, P0449, P0452, P0453, P0454, P0455, P0496, P1133, P1153, P1516, P2101, P2119, P2120, P2125, P2135, P2138, P2176, P2431, P2432, P2433, P2440, P2A00, P2A03 are not set. The device control is not active. The intrusive diagnostics are not active. The engine overspeed protection is not active. The traction control is not active. The engine is in Closed Loop status. The system voltage is between 10-18 V. The engine run time is greater than 50 seconds. The engine coolant temperature (ECT) is warmer than 10°C (50°F). The engine speed is between 1,000-4,000 RPM. The mass air flow is between 7-400 g s.

Cause and Solution

Multiple samples of the pre-catalyst HO2S accumulated voltage are consistently greater than the desired value.

Video Guide

Duration: PT5M45S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: C0298
  • Brand: Buick
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