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P0134 Chevrolet Uplander I

Testing & Diagnostics
  1. DTCs P0030, P0053, P0101, P0102, P0103, P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0120, P0125, P0128, P0201, P0202, P0203, P0204, P0205, P0206, P0220, P0442, P0443, P0446, P0449, P0451, P0452, P0453, P0454, P0455, P0464, P0496, P2135 are not set.
  2. DTCs P0420 and P2A01 are not commanding fuel.
  3. The system voltage is between 9-18 volts.
  4. The scan tool special functions are not active.
  5. The HO2S 1 Heater parameter is ON.
  6. The Engine Run Time parameter is more than 2 minutes.

More articles — Engine Controls - 3.9L - DTC P0011 to P0420