P16A7

2D51 - P16A7

Information saved in
DME

Fault code
2D51 - P16A7

Fault text
Monitoring, air path

Fault description
Control Module Self-Test, Hot Film Air Mass Meter
Monitoring

Condition for fault identification
Test condition:
Control module monitoring
Throttle valve not without current;
Air mass is implausible relative to injected fuel volume
Terminal condition: Terminal 15 ON
Voltage condition:
Voltage in onboard electrical system >= 10 V

Condition for fault memory entry
4 sec.

Action in service
Check air and fuel path
If frequency is > 3 Replace DME

Fault effect and breakdown warning


Driver information
Warning light:
MIL OFF EML ON CC: Reduced power, engine
malfunction
RPM limited to 1300 rpm

Service instruction
none