Description
- Make
- Aston Martin
- Model
- DB9 Factory Workshop Manual
- Year
- Issue 2, 2005
- Section
- Engine Assembly › Description
Description
The engine is an all aluminium 6.0 litre 60° V12 configuration. The cylinder heads have dual overhead camshafts and four valves per cylinder. An electronic engine management system controls the sequential multi-port fuel injection and distributor-less ignition systems.
The engine uses the latest ‘fast-burn’ combustion technology. Heated oxygen sensors monitor the oxygen content of exhaust gasses. The engine management system uses the oxygen sensor signals together with other engine information to ‘fine tune’ fuelling levels and ignition timing. This helps to achieve the best possible fuel burn with minimum exhaust emissions. The exhaust system incorporates six catalytic convertors to minimise the levels of harmful gasses passing into the atmosphere. Additional oxygen sensors are placed after the catalysts so that long term catalyst efficiency can be monitored.
The engine runs on unleaded fuel only.
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