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PACCAR MX (2004 Emissions) Fault Code: P1234 Common Rail Pump Unit 2 - Short Circuit Between ECU (D420) Pin (A27) and Pin (A28)

PACCAR MX (2004 Emissions) Fault Code: P1235 Turbo Speed - Data Erratic, Intermittent, or Incorrect

PACCAR MX (2004 Emissions) Fault Code: P1263 Cylinder 1 - Torque Contribution Too High

PACCAR MX (2004 Emissions) Fault Code: P1266 Cylinder 2 - Torque Contribution Too High

PACCAR MX (2004 Emissions) Fault Code: P1272 Cylinder 4 - Torque Contribution Too High

PACCAR MX (2004 Emissions) Fault Code: P1269 Cylinder 3 - Torque Contribution Too High

PACCAR MX (2004 Emissions) Fault Code: P1275 Cylinder 5 - Torque Contribution Too High

PACCAR MX (2004 Emissions) Fault Code: P1298 Engine Oil Temperature - Data Valid but Too High, Moderately Severe

PACCAR MX (2004 Emissions) Fault Code: P1278 Cylinder 6 - Torque Contribution Too High

PACCAR MX (2004 Emissions) Fault Code: P1301 Cylinder 1 - Intermittent Misfire