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Fuel shut-off

Fuel shut-off


Fuel shut-off will take place if any of the following criteria are fulfilled:


• +15 supply missing

• fully depressed accelerator pedal during starter motor cranking

• the engine speed exceeds 6200 rpm

• air mass/combustion exceeds 1000 mg/c

• engine torque 30 Nm above maximum permissible for current engine speed

• immobilizer code incorrect

• throttle rotated manually while engine running

• major fault in throttle control

• a pedal sensor fault if the engine speed exceeds 2200 rpm

• ignition discharge module not powered

• engine speed above 1500 rpm, accelerator pedal fully released and coolant temperature exceeds 70°C. This applies in 3rd, 4th and 5th gears on cars with manual gearbox and in 2nd, 3rd and 4th gears on cars with automatic transmission. Injection starts again at 1100 rpm.


Diagnostics

If TWICE fails to send ”Immobilizer OFF” when the ignition is turned on or if the Trionic T7, TWICE or MIU control modules have been replaced and the immobilizer code has not been programmed in TWICE, diagnostic trouble code P1460 will be generated and the engine will not start.