Related Clues:

• Strangle; regulator valve
• Briefly disconcerted about excessive learner driver - overusing this?
• Choke, in the car?
• Strangulate
• Strangle; fuel controller
• Device controlling engine that's similar to choke
• Cricketer catches hard ball at last, before England's opener can check
• Accelerator used with choke
• It makes the motorist put his foot down
• Engine valve serves as choke
• Choke pedal
• Accelerator or choke
• Valve gets most of the rubbish let out
• Choke or accelerator
• Suppress the short part about abstainer