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Lotus Service Notes
Section EMR
Potential failure modes:
• Low fuel pressure (Lean mixture)
• Malfunctioning sensor
• External water on sensor
• Sensor wire shorted to ground
Diagnostic Mask:
• The MIL will be illuminated if these faults are present for 2 consecutive trips.
P0132 (Bank1) or P0152 (Bank2)
Monitor:
• Continuous.
Disable Criteria:
• None
Enable Criteria:
• Engine running
Malfunction Criteria:
• Sensor voltage > 1200V for more than 1.5 seconds consecutively for a specified number of times.
Potential failure modes:
• High fuel pressure (Rich mixture)
• Leaking or shorted injector
• Purge valve fault
• Oxygen sensor contamination
• Engine oil contamination
• Sensor wire shorted to heater voltage
Diagnostic Mask:
• The MIL will be illuminated if these faults are present for 2 consecutive trips.
P0133 (Bank1) or P0153 (Bank2)
Monitor:
• Continuous.
Disable Criteria:
• P0116, P0117, P0118 – Coolant temperature sensor faults
• P0101, P0102, P0103 – MAF sensor faults
• P0335, P0500 – Crank or vehicle speed faults
• P0131, P0132, P0134, P0135 – Pre catalyst oxygen sensor faults for Bank1 checks
• P0151, P0152, P0154, P0155 – Pre catalyst oxygen sensor faults for Bank2 checks
Enable Criteria:
• Vehicle speed between 0 – 255 km/h (158.5 mph)
• MAF per stroke between 15 – 48 mg
• Engine speed between 1285 – 1818rpm
• Engine run time > 200 seconds
• Coolant temperature > 60°C (140°F)
• Closed loop fuelling enabled
Monitor:
• Monitored until the required amount of switches (30) in both directions has been achieved or 130 seconds
has elapsed.
2009/02
Summary of Contents for Evora
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