Expert Diesel Diagnostics and DPF Solutions for Large Vehicles
Run clean, strong, and reliable
Modern diesel engines are powerful, efficient, and built to work hard – but when something goes wrong, they need experienced hands to put it right. At Welshpool Auto Service, we specialise in diesel system repairs for utes, trucks, 4x4s, and American imports.
From fuel delivery problems to DPF (Diesel Particulate Filter) issues, we handle the full range of diesel system concerns using the right tools and technical know-how.
DPF System Problems?
Many newer diesel vehicles – especially Ford Rangers, RAMs, Silverados, and other large utes – are equipped with a Diesel Particulate Filter (DPF) to reduce emissions. But over time, especially with stop-start driving or towing, these filters can become blocked.
Common signs of a blocked DPF include:
- Loss of power or sluggish acceleration
- Warning lights on the dash
- Poor fuel economy
- Engine going into limp mode
We can diagnose and resolve DPF issues with proper regeneration, cleaning, or replacement – no guesswork, just solid repairs.
What We Service
We carry out diesel diagnostics and repairs for:
- Ford Ranger 2.0L & 3.2L
- RAM 1500 & 2500 diesels
- Chevrolet Silverado 2500HD
- GMC Sierra HD
- Toyota LandCruiser and Hilux
- Nissan Patrol and Navara
- Isuzu D-MAX
- Most American diesel imports
Whether your diesel is a daily driver, tow vehicle, or long-range tourer, we make sure it’s running strong and clean.
Common Diesel System Repairs
- Injector testing and replacement
- Fuel pump diagnostics
- EGR and intake system cleaning
- Turbocharger fault diagnosis
- DPF regeneration or cleaning
- Boost and vacuum leak detection
- Diesel fuel filter replacement
- Fault code diagnostics and live data scanning
Why Choose Welshpool Auto Service?
✔️ Specialist diesel knowledge
✔️ Experienced with large and imported vehicles
✔️ Advanced diagnostics and scan tools
✔️ DPF and emission system solutions
✔️ Clear communication and no surprise costs
Need more information? Give us a Call
Why choose Us? Perth’s trusted workshop for American trucks, utes, and performance vehicles.
American Vehicle Specialists
We’re not your average mechanic. Our team has extensive experience working with American-made vehicles – from RAM 1500s and Ford F-Series to Chevrolet Silverados and GMC Sierras. Whether factory-delivered or privately imported, we understand the unique requirements of these utes and trucks and have the tooling, knowledge, and parts network to service them properly.
Warranty-Safe Servicing Without the Dealership Price
All our servicing is carried out to manufacturer specifications using high-quality oils, filters, and parts. That means your dealership warranty stays protected – without the high hourly rates or upselling you often find at big-name service centres. We believe in transparent pricing and quality workmanship that speaks for itself.
Performance, Repairs & Modifications Under One Roof
From routine logbook servicing and mechanical repairs to performance upgrades and towing setups, we’ve got you covered. Our workshop is equipped for diagnostics, ECU tuning, lift kits, exhaust systems, suspension, and more – whether you’re looking for everyday reliability or off-road capability.
Real Advice from People Who Know Their Stuff
When you bring your vehicle to Welshpool Auto Service, you’re not dealing with a front desk – you’re speaking directly with the people who will be working on your car. We offer honest, practical advice based on years of hands-on experience with the vehicles we service.