ADVICE Do I need to turn off the air-con before switching off my car? ADVICE Why is it illegal to modify my engine? ADVICE Must I turn off my car’s air-con before switching off the engine? ADVICE Which oil additive is best for my car? ADVICE Why is my engine idling so erratically? ADVICE Do turbocharged engines need to cool down before being shut off? ADVICE Why do I need to replace my air filter? FEATURES What causes erratic engine idling? FEATURES Inline-6 engine layout versus vee-6 engine layout FEATURES Modified Car: Lotus Exige PreviousNext