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PACCAR MX (2004 Emissions) Fault Code: P2226 Internal ECU Ambient Pressure - Data Erratic, Intermittent or Incorrect, at Ignition On

PACCAR MX (2004 Emissions) Fault Code: P2229 Internal ECU Ambient Pressure - Malfunction

PACCAR MX (2004 Emissions) Fault Code: P2238 Lambda - Current Too Low on ECU (D420) Pin (C45)

PACCAR MX (2004 Emissions) Fault Code: P2239 Lambda - Current Too High on ECU (D420) Pin (C45)

PACCAR MX (2004 Emissions) Fault Code: P2266 Water in Fuel - Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (A49)

PACCAR MX (2004 Emissions) Fault Code: P2275 Water in Fuel - Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A49)

PACCAR MX (2004 Emissions) Fault Code: P2294 Common Rail Pressure Release Valve - Open Circuit on ECU (D420) Pin (C4) or Pin (C26)

PACCAR MX (2004 Emissions) Fault Code: P2295 Common Rail Pressure Release Valve - Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (C4)

PACCAR MX (2004 Emissions) Fault Code: P2457 EGR Temperature - Data Valid but Too High, Most Severe

PACCAR MX (2004 Emissions) Fault Code: P2296 Common Rail Pressure Release Valve - Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (C4)