4TRESS JLM 2 x 500ml Diesel Petrol EGR Valve Air Intake & Inlet Manifold Cleaner Spray with 4TRESS Non Slip Car Dash Mat (4T-2x-J02710) : Amazon.co.uk: Automotive
The best diesel engine cleaners
Wynns Diesel EGR Valve Cleaner 150ml | Halfords UK
Wynns Diesel EGR Valve Cleaner 150ml | Halfords UK
Liqui Moly Pro Line Diesel EGR Intake Cleaner 400ml 5168 1 Unit : Amazon.co.uk: Automotive
Liqui Moly Diesel Engine Intake Decarb 326g | Run Auto Parts