10 bestFuel System Cleanersof October 2025
112M consumers helped this year.
1

Red Flow Diesel & Petrol Additive | Injector Cleaner (300ML), Treats 60L Diesel & 150L Petrol, for All Cars, Bikes, Scooters. Keeps Engine Clean, Improves Engine Smoothness, Fuel Economy & Pickup.
Red Flow

9.7
2

YAMAHA Yamalube Pea Fuel System Carbon Cleaner For All Petrol Engines | Remove Carbons And Keep Engine Clean And Safe, 50 Ml (90793Ad81000), 10W
YAMAHA

9.4
3

Liqui Moly Injection Cleaner 300ml 2522
Liqui Moly

9.2
4

3M Ptrl Fuel Tank Additive (25 ml)
3M

8.9
5

STP Petrol Injector Cleaner : Unclog Dirty injectors with just one Treatment (Helps : Restore Performance - Reduce Emissions - Save Fuel) - Pack of 1
STP

8.6
6

Gumout Multi-System Tune-Up (473ml) | Petrol & Diesel Additive for Cars & Bikes | Cleans Engine, Reduces Carbon Deposits & Improves Mileage | Fuel Injector & Carburetor Cleaner
Gumout

8.3
7

STP Petrol Treatment (200 ml)
STP

8.0
8

STP Ultra 5-in-1 Fuel System Cleaner and Fuel StabilizerÃ???Ã? (12 fl. oz.).
STP

7.7
9

MANNOL 9957 Injector Cleaner Fuel Injection System Cleaner for Petrol Engines Imported from Germany (250ML)
MANNOL

7.4
10

Chevron Techron D Concentrate Diesel Fuel System Cleaner, 20 oz., Pack of 1
Chevron

7.1
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