DTC P0172 Isuzu

Fuel Trim System Rich

Fuel Trim System Rich

Description

DTCs P0030, P0053, P0068, P0101, P0102, P0103, P0106, P0107, P0108, P0116, P0117, P0118, P0120, P0121, P0122, P0123, P0128, P0131, P0132, P0133, P0134, P0135, P0201-P0206, P0220, P0222, P0223, P0300, P0411, P0412, P0418, P0442, P0443, P0446, P0449, P0451, P0452, P0453, P0454, P0455, P0496, P0506, P0507, P060D, P1133, P1516, P2101, P2119, P2120, P2122, P2123, P2125, P2127, P2128, P2135, P2138, P2176, P2430, P2431, P2432, P2433, P2440, P2444 are not set. The engine is in CL status. The engine coolant temperature (ECT) is between -37 and +130°C (-34.6 and +266°F). The intake air temperature (IAT) is between -20 and +150°C (-4 and +302°F). The manifold absolute pressure (MAP) is between 15-255 kPa. The vehicle speed is less than 512 km h (318 mph). The engine speed is between 400-6,350 RPM. The mass air flow (MAF) is between 1-512 g s. The barometric pressure (BARO) is more than 72 kPa. The fuel level is more than 10 percent. These DTCs run continuously when the above conditions have been met.

Cause and Solution

The long term FT weighted average value is more or less than a calibrated value.The above condition is present for approximately 3 minutes after the conditions for running the DTC have been met.

Video Guide

Duration: PT6M10S | Uploaded: 2020-06-21

Diagnostic Info

  • DTC Code: P0172
  • Brand: Isuzu
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