# AdBlue explained | AdBlue in Fuel > AdBlue explained: The full index, with a severity verdict on every AdBlue and SCR problem. Call 01295 380724. - URL: https://adblueinfuel.co.uk/explained/ - Focus: adblue explained - Updated: 2026-09-22 - Phone: 01295 380724 (From just £89 call-out fee) - Publisher: AdBlue in Fuel — a service by Forecourt Assist — Forecourt Assist is a trading name of Fuel Fixer Ltd, company no 08520551, registered at Fairway House, Portland Road, East Grinstead, RH19 4ET, a company of Fuel Fixer International. --- ## AdBlue explained Short answerAdBlue explained — the full index for AdBlue in Fuel — a service by Forecourt Assist. Every problem carries a severity verdict: recoverable, likely recoverable, or component risk. Call 01295 380724. Call 01295 380724 From just £89 call-out fee ## AdBlue explained | SCR vs DPF | SCR and a DPF are two separate systems on the same exhaust. The DPF traps soot particles and burns them off. SCR uses AdBlue to convert NOx into… | ISO 22241 | ISO 22241 is the standard that defines AdBlue: 32.5% high-purity urea in 67.5% demineralised water, known as AUS 32, with strict limits on… | Driver inducement | Driver inducement is the mandated escalation that stops a vehicle running without working NOx control: warning light, then a dashboard message, then… | What AdBlue actually is | AdBlue is not a fuel and it never enters the engine. It is AUS 32 — 32.5% high-purity urea in demineralised water — dosed into the exhaust ahead of… | How much AdBlue a vehicle uses | AdBlue consumption tracks fuel burn rather than mileage, and manufacturers generally quote it as a percentage of diesel used. The figure varies by… | AdBlue storage and shelf life | AdBlue has a finite shelf life because urea hydrolyses slowly to ammonia, faster when stored warm. Keep it sealed, out of sunlight and cool, and use… £89 is the call-out. An AdBlue tank drain and flush is quoted on the phone before a technician travels. If the SCR system needs component replacement — dosing injector, pump, tank or catalyst — that is separate, and you will be told before any work starts. If this is a job we cannot fix at the roadside, we will tell you that on the phone rather than after we arrive. ## What customers say 4.8 out of 5 from 2,190 Trustpilot reviews. What reviewers mention most is that the technician stayed calm and professional with a driver who was embarrassed and stressed, and that somebody arrived when they said they would. The most common criticism is price. People do not expect a wrong-fluid job to cost what it costs, and that is a fair complaint to publish rather than bury. The answer is the From just £89 call-out fee, a quote given on the phone before a technician travels, and being told when a job cannot be done at the roadside rather than after somebody has arrived and charged for the visit. ## Who you are dealing with This site is published by Forecourt Assist, which operates AdBlue in Fuel. Forecourt Assist is a trading name of Fuel Fixer Ltd, company no 08520551, registered at Fairway House, Portland Road, East Grinstead, RH19 4ET, a company of Fuel Fixer International. The group, Fuel Fixer International, is owned by Stockbridge Capital Holdings. Reference: NOx (Wikipedia). ## Across the Fuel Fixer network Fuel Fixer FleetForecourt AssistMotor ServicingMobile Fuel DrainThese are sister brands of the same company, not unrelated sites. Forecourt Assist keeps the canonical list at forecourtassist.co.uk/network rather than duplicating it here.