RCJ Tuning

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PSA EDC16C34 Cruise control gear unlockOn these the cruise control only works from 4th gear onwards, if we change one va...
22/04/2025

PSA EDC16C34 Cruise control gear unlock

On these the cruise control only works from 4th gear onwards, if we change one value we can now use it in all gears which in turn makes using it for the 20MPH speed limits be at a better RPM.

2011 Audi A3 2.0 TDi 140 EDC17CP14Had a throttle problem that turned out to be wiring issue that we found.We also applie...
21/04/2025

2011 Audi A3 2.0 TDi 140 EDC17CP14

Had a throttle problem that turned out to be wiring issue that we found.

We also applied a manual EGR and DPF delete ( VAG usually have 2 x 1 switch plus a few maps to handle any sensor issues for the DPF )

We also applied the much better 9041 software version.

VW Scirocco EGR delete EDC17CP14Another manual solution but this time leaving the DPF regeneration maps in tact as you'r...
21/04/2025

VW Scirocco EGR delete EDC17CP14

Another manual solution but this time leaving the DPF regeneration maps in tact as you're typical unplug or flattening all hysteria maps solution will definitely down the line cause DPF regeneration issues.

This was put back to stock with a proper solution.

Peugeot EDC16C34 EGR offAnother manual solution which leaves the EGR at 100% closed and stopping recycling of wasted exh...
21/04/2025

Peugeot EDC16C34 EGR off

Another manual solution which leaves the EGR at 100% closed and stopping recycling of wasted exhaust gases causing further carbon build up.

No unplug required as we are not just deleting fault codes.

We love seeing "The best" just flashing files with no actual knowledge.

Not all deletes are equal.

2011 Vauxhall Movano EDC17C11Booked in for a Stage 1 + Speed limiter removal.Speed limiter was removed from the flash bu...
09/04/2025

2011 Vauxhall Movano EDC17C11

Booked in for a Stage 1 + Speed limiter removal.

Speed limiter was removed from the flash but was also in the BCM.

Now has the power it needs with no speed limiter.

Mercedes A180 SID310Has been previously mapped with a automated DPF solution that was causing issues and did not respond...
09/04/2025

Mercedes A180 SID310

Has been previously mapped with a automated DPF solution that was causing issues and did not respond to any tool via bench connection.

We did this one via boot mobile and applied a full guaranteed manual solution.

2011 Range Rover Evoque Si4a MED17.0Booked in for a Stage 1 + CAT Monitoring OFF ( Rear O2 ).This uses the the Ford 2.0 ...
08/04/2025

2011 Range Rover Evoque Si4a MED17.0

Booked in for a Stage 1 + CAT Monitoring OFF ( Rear O2 ).

This uses the the Ford 2.0 Ecoboost engine also found in the Focus ST.

All done this is a very quick car especially considering the size.

2015 Jaguar XE MEDC17.9Manual DPF solution applied, This was that blocked it came as a non runner.We have everything on ...
08/04/2025

2015 Jaguar XE MEDC17.9

Manual DPF solution applied, This was that blocked it came as a non runner.

We have everything on board to deal with the software side of any emission related issues be it OBD,Bench,Boot.

2016 Peugoet Partner 1.6 HDI ( EDC17C10 )After trying to combat a PATS / EOYLS problem including refilling and various d...
09/01/2025

2016 Peugoet Partner 1.6 HDI ( EDC17C10 )

After trying to combat a PATS / EOYLS problem including refilling and various diagnostics and garage visits we had it fixed in just over a hour.

DPF still fully functional and will still pass all inspections but no more bills or warnings on the dash and the cost not much more than 1 diagnostic session at the dealers.

PEUGEOT EXPERT 1.6 16V HDI 90 (EDC16C34)Real-World Gains That Matter 🚀"Here, we showcase impressive torque gains and rea...
19/12/2024

PEUGEOT EXPERT 1.6 16V HDI 90 (EDC16C34)

Real-World Gains That Matter 🚀"

Here, we showcase impressive torque gains and real-world performance improvements.

This is a 4th gear pull from 30MPH to 50MPH, where we've achieved a time decrease of 2.48 seconds or 24% 📉 going from 10.55s to 8.07s on a loaded van.

💪 The result? Stronger mid-range performance, effortless overtakes, and a much more responsive drive.

Unlock your van's true potential.

Results: Racebox 25mhz!

2009 Audi A3 Sport 1.6 TDI (PCR2.1)The 105 PS (103 BHP) CAYC engine in its standard form often feels underpowered, but a...
14/12/2024

2009 Audi A3 Sport 1.6 TDI (PCR2.1)

The 105 PS (103 BHP) CAYC engine in its standard form often feels underpowered, but a proper remap can completely transform its performance.

Process Overview

1. Pre-Tuning Checks: A full diagnostic scan, visual inspection, and fluid level checks ensure the car is in good health for tuning.

2. Baseline Logs: Boost pressure, EGT levels, and standard limitation maps are reviewed to confirm everything is operating correctly.

3. ECU Remap: The ECU is read and tuned to safely unlock more power and torque.

4. Post-Tuning Validation: Logs are rechecked to confirm safe EGT and boost behavior.

Expected Gains:

Power: +40 BHP ✅️

Torque: +60–80 Nm ✅️

Maps are fully extrapolated and not decalibrated.

With these upgrades, the 1.6 TDI delivers performance comparable to a 2.0 TDI, offering stronger acceleration and better driveability while maintaining reliability.

2011 VAUXHALL ASTRA 2.0 CDTI (EDC17C59)While this ECU isn’t OBD programmable, we can handle it without opening the unit,...
10/12/2024

2011 VAUXHALL ASTRA 2.0 CDTI (EDC17C59)

While this ECU isn’t OBD programmable, we can handle it without opening the unit, the days of resistors and opening are glady long behind us.

We also don’t charge extra for bench work and fully equipped onbard and are confident we can beat most reputable quotes.

In this case, the DPF was blocked. After performing a comprehensive health check, we identified and explained the underlying causes of the blockage. Given the car's age and the likelihood of recurring issues, the owner opted for a DPF delete as the most practical solution and the mechanical aspect of the delete was handled by a local garage.

For a fraction of what a dealer would charge, we provided a complete health check and applied our manual DPF solution. Our approach ensures long-term reliability by preventing the soot counter from increasing, offering a truly permanent fix over automated software.

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Prestatyn

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