PACCAR MX (2004 Emissions) Fault Code: P1688 Starter Motor - Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (B16)
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PACCAR MX (2004 Emissions) Fault Code: P1693 Cold Starting Aid - Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (C72) or Pin (C49)
PACCAR MX (2004 Emissions) Fault Code: P1694 Cold Starting Aid - Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (C72) or Pin (C49)
PACCAR MX (2004 Emissions) Fault Code: P1698 PCI ECU 5V Sensor Supply - Voltage Too Low or Short Circuit to Ground
PACCAR MX (2004 Emissions) Fault Code: P1704 Lambda - Data Erratic, Intermittent or Incorrect, During Overrun
PACCAR MX (2004 Emissions) Fault Code: P1699 PCI ECU 5V Sensor Supply - Voltage Too High or Short Circuit to Supply
PACCAR MX (2004 Emissions) Fault Code: P1705 Lambda Response Rate - Too Low
PACCAR MX (2004 Emissions) Fault Code: P1706 Lambda Response Rate - Too High
PACCAR MX (2004 Emissions) Fault Code: P1707 Lambda - Data Valid but Too Low
PACCAR MX (2004 Emissions) Fault Code: P1708 Lambda - Data Valid but Too High