Engine Diagnostics & Tune-Ups in Hallam
Is your car losing power, misfiring, or using too much fuel? At DHF Hallam, we offer engine diagnostics and tune-ups to improve performance, fuel economy, and reliability.
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4.9
255 Google Reviews
Reviews
4.9
255 Reviews
Signs Your Car Needs an Engine Diagnostic or Tune-Up
Check engine light is on
May indicate minor or major engine issues.
Rough idling or misfiring
Could be caused by spark plugs, ignition coils, or fuel system faults.
Excessive fuel consumption
Poor engine efficiency due to dirty filters or faulty sensors.
Loss of power or sluggish acceleration
May indicate air intake, fuel delivery, or sensor issues.
Strange engine noises
Knocking, ticking, or rattling could signal internal engine issues.
Our engine diagnostic & Tune-Up Services
We use state-of-the-art equipment to diagnose and fine-tune all makes & models, including petrol, diesel, hybrid, and performance vehicles.
Engine Diagnostics & Fault Scanning
Computerised engine scanning
(Reads fault codes from the ECU)
Fuel injection system testing

(Detects blockages or injector faults)
Air intake & throttle body inspection
(Ensures proper air-to-fuel ratio)
Cooling system check
(Prevents overheating and internal damage)
Early detection saves money – don’t wait for your engine to fail!
Performance Tune-Ups & Maintenance
Spark plug & ignition coil replacement
(Fixes misfires and boosts power)
Fuel system cleaning
(Removes deposits from injectors and intake valves)
Throttle body & EGR cleaning

(Restores smooth engine operation)
Timing & idle adjustment
(Improves efficiency and responsiveness)
ECU reset & recalibration
(Optimises engine performance)
A tune-up can improve fuel economy and acceleration instantly!
Why Choose Us
- 7+ years of excellence
- 25+ years of experience
- Flexible payment options
- Honest pricing, no surprises
- Expert technicians
- State of the art equipment
- Customer satisfaction guaranteed
Reviews
4.9
255 Reviews
Our customers love us!
Frequently
asked questions
1. How do I know if my engine needs a diagnostic scan?
If your check engine light is on, power is reduced, or fuel consumption is high, a scan will identify the issue.
2. How often should I get an engine tune-up?
Every 30,000 – 50,000km, or if you notice reduced performance, rough idling, or poor fuel efficiency.
3. Can an engine tune-up improve fuel economy?
Yes! Replacing spark plugs, cleaning injectors, and resetting the ECU boosts mileage and engine efficiency.
4. What’s included in an engine tune-up?
Ignition system check, fuel system cleaning, air intake inspection, and cooling system check to restore power and efficiency.
5. Why is my engine making a ticking or knocking sound?
This could be caused by low oil levels, worn-out lifters, or fuel combustion issues. A diagnostic scan and inspection can pinpoint the cause.
