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Smart Diagnostics & ECU RemappingYeading Lane · Northolt 07391 567422Call

Independent garage · Northolt

Diagnostics and ECU remapping in Northolt

An independent garage in UB5 for fault finding, engine management and everyday repairs. Ring on weekdays and tell us what your car is doing.

5 out of 5 on Google from 15 reviews
A sunny street in Cambridge with shops and parked cars

Warning light on?We plug in, read the fault codes and find out what’s actually wrong.

Checked against public registers · 29 Oct 2026

Company
Not matched
No Companies House record under this name (could be a sole trader)

From Companies House register, re-checked monthly. Not information from the business.

The work

What we look at

From reading fault codes to brakes and a routine service, entered one line at a time.

  1. Diagnostics

    Warning light on? We plug in, read the fault codes and find out what’s actually wrong.

  2. ECU remapping

    Software changes to your engine control unit to alter how the engine delivers power. Ask us what suits your car.

  3. Fault finding

    Rough running, hesitation or poor economy traced to the cause rather than guessed at.

  4. Brakes

    Pads, discs and brake checks when you hear grinding or feel the pedal change.

  5. Servicing

    Oil and filter changes and routine checks to keep your car running properly.

  6. Battery and electrics

    Starting problems and electrical faults looked at and sorted.

From first call to collection

How it goes

  1. Ring us

    Tell us the make, model and what the car is doing. 07391 567422

  2. We diagnose

    We connect diagnostic equipment and check the car over to find the fault.

  3. You decide

    We explain what we’ve found and what needs doing before any work starts.

  4. Back on the road

    Once the work is done, you collect your car.

Tell us the symptoms and we’ll start from there.

A city scene reflected in a café window with warm bokeh lights

Car playing up? Give us a ring

Call on a weekday between 8 and 6 and tell us what’s happening with your car.

Hours & address

When we’re open, and where

Opening hours
Monday8:00 am – 6:00 pm
Tuesday8:00 am – 6:00 pm
Wednesday8:00 am – 6:00 pm
Thursday8:00 am – 6:00 pm
Friday8:00 am – 6:00 pm
Saturday8:00 am – 4:30 pm
Sunday8:00 am – 12:00 pm

Find the garage

Smart Diagnostics & ECU Remapping
Yeading Ln, Northolt
UB5 6LN

Ring before you set off if you’re travelling far.

Open in Google Maps 07391 567422

5.0out of 5 on Google · 15 reviews

Read all 15 reviews on Google

Before you ring

Questions people ask

What does ECU remapping do?

It changes the software in your engine control unit, altering how the engine delivers power and responds. Ask us whether it suits your car.

Why is my warning light on?

It means the car has logged a fault. Reading the codes is the first step to finding out what caused it.

Can you look at my car without a warning light?

Yes. Rough running, hesitation or poor economy can all be checked with diagnostic equipment.

When can I get hold of you?

We’re open Monday to Friday, 8am to 6pm. Ring us on a weekday.

Around Smart Diagnostics & ECU Remapping

Nearby places from public data, not information from the business.

Getting there

  • Bus stop: Yeading / Dilston Close (Stop L) · 1 min walk
  • Car park: Car park · 3 min walk
  • EV charging: Source London Charging Station · 7 min walk · 2 points
Updated 3 days ago · TfL · Updated 3 days ago · NaPTAN (DfT) · Updated 2 days ago · OpenStreetMap

While you're there

Updated today · Localstreet

What's on nearby

Within about 1 km · council and venue listings
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