P0135 Lambda sensor heater - Diesel Engine Troubleshooting
Feb 2, 2022 · The sensor is heated to its operating temperature of approximately 750°C [1382°F]. The PCI ECU determines the ‘dew point’ by calculating how much energy (heat by burning fuel in the engine) is pumped through the exhaust.
Q&A: Paccar Lambda Sensor Location & SPN 77 Code - JustAnswer
The lambda sensor is the one of the three sensors on the exhaust side of the turbocharger. One of them is the temp sensor it is the smallest one. The other is the inlet NOX sensor it is the one that has a square module mounted on he flywheel housing attached to it.
Paccar MX11 / MX13 I6 Engine Sensor Locations
Driver Side of 2012 PACCAR MX13 I6. Common Rail Fuel injectors (under valve cover center of cylinder head) Unit Pumps (rear of engine fitted to engine block) Fuel Rail Pressure Sensor (middle of fuel rail) Supply Fuel Pressure Sensor (located on driver side rear of engine) Fuel Temp Sensor (located on driver side rear of engine) Camshaft ...
PACCAR MX (2004 Emissions) Fault Code: P113A Lambda Sensor …
PACCAR MX (2004 Emissions) Fault Code: P113A Lambda Sensor Temperature – Unable to Reach Target. SET CONDITIONS: The PCI ECU (D420) detects that the temperature of the lambda sensor is not within the expected values within 25 seconds or …
P0135 Lambda sensor heater - Diesel Engine Troubleshooting
Feb 2, 2022 · 2013 PACCAR MX-13 – P0135 Lambda sensor heater – Current too low or open circuit on ECU D420 pin C46. Diagnostic Step-by-Step. Perform the troubleshooting steps below using the breakout harness, if necessary, to check electrical components, such as sensors, electrical control units, and harnesses. Back probing is not recommended, as it ...
PACCAR MX (2004 Emissions) Fault Code: P1708 Lambda
Sep 19, 2023 · PACCAR MX (2004 Emissions) Fault Code: P1708 Lambda – Data Valid but Too High. SET CONDITIONS: The PCI ECU (D420) detects that the oxygen concentration measured by the lambda sensor is higher than the oxygen concentration measured by the NOx sensor before catalyst for more than 40 seconds. DIAGNOSTIC CONDITION:
PACCAR MX (2004 Emissions) Fault Code: P170B Lambda
IMPORTANT: Depending on the production date of the vehicle, either the lambda sensor (F834) or the NOx sensor before catalyst (F844) is used to determine the oxygen concentration in the exhaust gas. Typically, high value air/fuel ratio indicates high …
Paccar MX 13 Fault Code List: Decoding Engine Troubles - 30 …
Oct 12, 2023 · When your Paccar MX 13 engine triggers a fault code, the first step is to read and understand it. These codes consist of alphanumeric characters and provide information about the issue’s severity and the necessary diagnostic steps.
The following engine warning lamps cover only the lamps controlled by the engine’s Electronic Control Module (ECM). Please refer to the vehicle Operator's and Engine Aftertreatement Systems manual for additional warning lamp information.
PACCAR MX (2004 Emissions) Fault Code: P0135 Lambda Sensor …
Apr 4, 2024 · The PCI ECU (D420) detects a lower current than expected on the control circuit of the lambda sensor heater. DIAGNOSTIC CONDITION: The diagnostic runs continuously when the ignition is keyed on. RESET CONDITION: The DTC changes to inactive after the diagnostic runs and passes. POSSIBLE CAUSES: 1. Open circuit in the lambda sensor wiring 2.