Tom Day Ltd , Diesel Injection Specialist

Tom Day Ltd , Diesel Injection Specialist Diesel Injection centre . DPF Specialist
AC Regas and repairs both R134a and R1234yf
Petrol and Dies

Full Petrol and Diesel Diagnosis centre
All work carried out a competitive prices
Petrol and Diesel remapping service
Full service from £99
MOT's arranged
Petrol injectors tested and CC outputs calculated
Diesel injectors tested and overhalled
Fuel injection pumps tested , repaired and overhalled
All Bosch , Delphi , Denso and Siemens parts avaliable
Remapping and tuning boxes installed
Loan Car avaliable on request

19/06/2026

VW Transporter 2.5TDI in this week in for poor running and miss fire
Injector seals have failed
We always recommend this bridge kit which reduces the wear to the head bores

🔴New injector seal kits fitted
🔴New bolts
🔴Injector Bridge kit supplied and fitted
🔴Injector loom replaced

Keeping these first generation T5’s alive

15/06/2026

Poorly set of Audi S5 V8 injectors
We have a lot of cleaning to do with these 🙈

12/06/2026

This week we had these Audi 3.0t injectors in for test , these were caught just in time as the filters were starting to fail .

🔴New filters installed
🔴Injectors fully cleaned
🔴New seals top and bottom

This week we had this lovely Audi RSQ3 in with us for a timing issue Once the timing was confirmed to be ok we looked at...
06/06/2026

This week we had this lovely Audi RSQ3 in with us for a timing issue
Once the timing was confirmed to be ok we looked at the sensors and solenoids
The inlet VVT solenoid was at fault
A set of new solenoids and it’s all working great again .

18/05/2026

Last week had this beautiful Audi RS4 in to have

🔴Injectors tested
🔴Inlets walnut blasted .

Three injectors stuck in the head and the other five all had filter failure causing uneven flow even after cleaning

All back together with new injectors and seals and it’s got all its power back .

One Happy Customer 🚀


15/05/2026

We had this set of BMW 3 cylinder petrol injectors in for test . These tested perfectly and were balanced. A quick ultrasonic clean of the nozzles and recheck and ready for the customer to collect

Air Conditioning Service on this BMW ready for the summer months . We are able to do most modern cars on the road . Give...
13/05/2026

Air Conditioning Service on this BMW ready for the summer months . We are able to do most modern cars on the road . Give us a call to get booked in 01179864933

This customer was lucky with this Peugeot 208 . The wet belt didn’t have long left in it 😮
11/05/2026

This customer was lucky with this Peugeot 208 . The wet belt didn’t have long left in it 😮

08/05/2026

Carried out a Celtic Tuning Stage One on this 2024 Transit custom . Great gains to be had in these . This one went from 135bhp to 190bhp and almost an extra 100 lb/ft ! Very noticeable improvement

07/05/2026

A set of Audi TFSI injectors on test and you can see one is not as it should be

Address

Durley Lane `
Keynsham
BS312AJ

Opening Hours

Monday 8:30am - 5pm
Tuesday 8:30am - 5pm
Wednesday 8:30am - 5pm
Thursday 8:30am - 5pm
Friday 8:30am - 5pm

Telephone

+441179864922

Website

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