Volvo All Engines (2017 Emissions) Fault Code: P102A00 PID: EMS Cold Start Fuel injection Quanitity Lower Than Expected
Volvo All Engines (2017 Emissions) Fault Code: P102A00 PID: EMS Cold Start Fuel injection Quanitity Lower Than Expected
Fuel Injector operation is controlled by the Engine Control Module (ECM). The ECM provides a common supply voltage to injectors 4,5,6 (Bank 2) and there are individual output transistor drivers inside the ECM to control each individual injector’s ground circuits. There are two solenoid circuits within the injector; a Needle Control Valve and a Spill Valve. Although they are separate circuits, the same fault code is used to identify a fault in the Needle Control Valve circuit and/or the Spill Valve circuit.
Conditions for diagnostic trouble code (DTC):
1) The NOx sensor indicates the following oxygen level: High
Probable cause
1) Poor fuel quality
2) Air in the fuel system
3) EGR Valve Stuck in closed position
4) Exhaust system leakage
5) Coolant Leak in: Air line
6) Coolant Leak in: Combustion air line
7) Low compression
8) Lean mixture
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