Warning light on, engine losing power, or a system fault that won’t clear. We come to your Epsom address and sort it on-site, most days of the week.
Epsom sees a real mix of vehicles commuter cars doing the run up to the station, delivery vans working the town centre, and horsebox and event traffic around the Downs on race days. Whatever’s triggered the fault, we check the vehicle properly at your location before recommending any repair, rather than assuming it’s simply low fluid.
If the warning light comes back on shortly after a refill, that’s usually the system telling you it’s found a genuine fault. Getting it checked early is normally quicker and cheaper than waiting for the vehicle to lose power or refuse to restart.
Tell us about your vehicle — we’ll reply with a fixed price.
Most of our Epsom callouts come from drivers stuck along the A24 or A3 heading in from Ewell or Leatherhead, or vehicles that won’t restart after being parked overnight near the Downs. Don’t try to nurse it any further on a fault warning send us your location and we’ll get to you directly.
Every AdBlue fault we fix is backed by real diagnostics data, transparent pricing, and a guarantee — not guesswork.
Fault codes read at your location, not assumed over the phone.
Confirmed after we've checked the vehicle, and it doesn't move.
Most jobs seen the same day or the next.
If the fault returns, we come back and put it right.
Whether you’re parked near the Clock Tower, at the station, or out towards the racecourse, we come to the vehicle rather than asking you to travel.
We also cover the towns and villages surrounding Epsom, so if you’re just outside the centre, we can usually still reach you the same day.
We diagnose the vehicle first, then recommend the right fix from the services below.
Epsom drivers get accurate AdBlue diagnostics to identify the fault and recommend the right fix without unnecessary parts.
Fixing the faulty component causing the warning pump, sensor, injector or heater once the fault's been properly identified.
For qualifying off-road or specialist-use vehicles only, with the compliance position explained clearly before any work starts.
Full system removal where suitable for the vehicle's use, agreed with you before we proceed.
Considered where the same fault keeps returning on a vehicle despite repeated repair attempts.
Faulty NOx sensor readings are a common trigger for AdBlue warnings even when the reduction system itself is fine we diagnose and replace as needed.
Supporting commercial operators and horsebox drivers working around Epsom and the Downs who need vehicles running reliably.
Adjustments to the engine's control software, tailored to the vehicle and how it's actually driven.
Calibrated power and response tuning based on individual vehicle data, not a generic setting.
A straightforward process designed to get you back on the road with minimal disruption.
Warning light, power loss, or anything else describe it and give us your Epsom location.
A technician attends and runs a full diagnostic before suggesting any repair.
Agreed once we know the actual cause, before any work begins.
A final scan checks the fault has genuinely cleared, not just the warning light switched off.
Real feedback from customers whose AdBlue faults we’ve resolved.
David McCarthyTrustindex verifies that the original source of the review is Google. The company carried out job it was satisfactory. However, when I made the booking and they were persistent. It was booked for an evening slot, which was fine however they never turned up. I did ring the company however they blamed it on a miscommunication which sounded very unlikely. But the job was done at the end I wish they had better communication. Did ask for an invoice as well but did not receive Or a guarantee, which they promised. Ted DukesTrustindex verifies that the original source of the review is Google. Great service, quick, reliable and polite. Would highly recommend 👌 Simon GardnerTrustindex verifies that the original source of the review is Google. Very good service from Bolt. Quick remap boosted power and increased mpg significantly for a reasonable price. Very pleased thanks. Diesel FoehammerTrustindex verifies that the original source of the review is Google. Spoke to Dean on the phone within 2 hours he turned up to a garage that had failed to sort my addblue issues,and fixed them all within half an hour permanently, so happy , a great pleasant guy,highly recommended to all. Rodney Ramando SizaTrustindex verifies that the original source of the review is Google. Had an adblu delete and also an economic remap. Car had a adblue malfunction and would not start in 35 miles , called the night before he has here 9am next day. Car feels much faster , lighter and also no more adblue problem. Really recommend these lads! Liam StevensTrustindex verifies that the original source of the review is Google. Brilliant service , quick and easy with top communication 👏 james snaithTrustindex verifies that the original source of the review is Google. I had an ad blue malfunction on my ford transit custom while on holiday in cornwall,Bolt remaps was very helpful and came out the next day and had me back up and running in no time. Iain MarrTrustindex verifies that the original source of the review is Google. I used this company to sort out adblue issues with my Vauxhall Combo Life, I was fed up of keep getting warning lights and threats of engine not starting if I continued to drive the car. I contacted Bolt Remaps and they came to me the same day and fixed my problems for good. Unfortunately, due to an error on my part, I overpaid, however, once they became aware of it they refunded me immediately. Both of the staff I was involved with were extremely friendly and efficient and I thoroughly recomend the company to anyone that needs help with adblue problems or engine remaps :-) Afia WalkerTrustindex verifies that the original source of the review is Google. “Bolt Remaps “company is this best and specialist for any issue with AD BLUE problems. Bolt Remaps are such professional and has excellent customer service support. Dean is amazing too Ervin is one of the engineers he worked on my car. My car Range Rover Evoque is running perfectly I’m such a happy customer. I’d definitely recommend 💯 Jay MazTrustindex verifies that the original source of the review is Google. Just booked these guys in for an EGR delete, Dean was very reassuring and very open to what was going to be installed etc. Excellent customer service! cant wait to have them fix my pride & Joy at my home! Update. Unfortunately this did not help my egr issue and my poor girl still gets limp mode! Gutted!
Coverage extends out to Ewell, Ashtead and Leatherhead how quickly we reach you depends on your exact location and current demand.

Usually points to a separate fault rather than a genuine fluid shortage.

Once this reaches zero, most vehicles won't restart until the actual cause has been diagnosed and cleared.

A frequent cause of warnings that persist even with a full tank.

Level, quality or NOx sensors can each trigger a warning independently of the actual system condition.

Build-up inside the injector restricts dosing over time, especially on vehicles with irregular use.

A wider reduction-system issue rather than one single failed part.
Heavy stop-start traffic on race days puts extra load on dosing systems, and we see a noticeable rise in callouts around the racecourse during major meetings.
Regular short runs to Epsom station don't always let the system complete its full checks, which can bring on false warnings over time.
This usually means the original diagnosis was wrong. We check the vehicle again from scratch rather than assuming previous work was accurate.
Our coverage stretches across Ewell | Ashtead | Leatherhead | Banstead | Cheam | Worcester Park | Tadworth | Chessington | Stoneleigh | Sutton
It usually means there's a separate fault in a sensor, pump or injector rather than a fluid level issue.
Avoid repeatedly trying to restart it. Get in touch and we'll check the vehicle at your location.
Yes, we also cover Ewell, Ashtead, Leatherhead, Banstead and the surrounding area.
For certain off-road or specialist vehicles, yes. We'll explain what applies to your situation first.
Yes, we offer ECU, HGV and performance remapping alongside our AdBlue services.
Most jobs are seen the same day or the next, depending on demand.
Yes, the price is always agreed once the fault has been diagnosed and before any repair begins.
Yes, alongside cars we cover vans, HGVs and horseboxes operating in and around Epsom.
Fixed quote before we start no dealer margin, no wasted trip to a garage.