Throttle sensor issue easy fix if you know how low mileage I have new car

1980 Alfa Romeo GT jtd 1.9 Coupe

The Throttle was intermittent and used to get to work again if I wiggled relays I have spare pedal and sensors to try but now have a new car and no time to sort it, the wheels are worth £200 each = £800 easily, has Mot until September 2017 drives using the clutch only as reving a little high as faulty sensor so cannot drive a long distance.Only done 70,000 miles has a good engine

• Make: Alfa Romeo
• Model: GT jtd 1.9
• SubModel: GT
• Type: Coupe
• Trim: Coupe
• Year: 1980
• Mileage: 70,000
• VIN: ZAR93700005194938
• Color: Grey
• Engine size: 1.9
• Power options: Cruise Control, Power Locks, Power Windows
• Fuel: Diesel
• Transmission: Manual
• Drive side: Right-hand drive
• Safety options: Anti-Lock Brakes, Driver Airbag, Passenger Airbag, Side Airbags
• Options: CD Player
• Vehicle Title: Salvage
Want to buy? Contact seller!