Injector Health Check
A leaking injector puts unburnt fuel into the exhaust and loads a filter far faster than normal duty ever would. It is one of the most common reasons a cleaned filter blocks again quickly, which is why our advisory raises it. Testing injectors is not work we do.
- Typical duration
- Not carried out here
- What we do
- Clean the filter
- Who tests injectors
- Your workshop
- Advisory issued
- Every job
What we can do instead
Spray pattern and back-leakage testing is carried out on the vehicle or on a bench built for injectors. We clean filters.
- We clean the filter that a fuelling fault has loaded
- Repeat blockage after a clean often points here
- Injector testing and repair is your workshop
- Ask us and we can suggest a workshop that carries it out
At a glance
- Duration
- Not carried out here
- Indicative price
- Quoted per job
- Category
- Systems & Sensors
- Written report
- Included
Prices are indicative and depend on vehicle, filter size and condition. You receive a firm figure after the diagnostic pass, before any work is authorised.

What you get back
Each of these is a figure we record and hand over in writing, not an estimate offered at the counter.
Clean the filter
What we do
Your workshop
Who tests injectors
Every job
Advisory issued
Every job runs through the same documented six-step sequence, whichever service brought you in.
See the processOften needed alongside this
A blocked filter rarely has a single cause. These are the services most commonly carried out in the same visit.
Book injector health check
Tell us the vehicle, the symptoms and any fault codes on the dash. We will confirm whether this is the right service before you commit to it.