Diagnostic health check and Engine Carbon Clean on a VW Jetta with worn engine mounts and low MPG

Adrian @ F5ECC

️ ‘A lot smoother and MPG has shot up better than when I bought it! Thanks again!’

⚠️ Want to look after your vehicle? Get it running quiet, smooth and restore that fuel economy?

Here we have a VW Jetta (2007 – 116,588 miles) booked in for diagnostics and Engine Carbon Clean after MPG had dropped off and it had developed a rumble and a rough idle.

Initial health check found an overall vibration to be expected from buildup, but in addition there was a ‘jelly wobble’ both visibly and felt through the seat – a tell take sign of worn engine mounts.

Diagnostics showed some error codes for the headlamp washer relay and the auxiliary heater element which we documented for the owner and then on with the clean.

⚙️ As we progressed further into the clean the cylinder balancing values trimmed in closer to zero and the injection amount also lowered. By the end the engine rumble has subsided, but the jelly wobble remained. The owner can now get the mount addressed.

☑️ Full Diagnostics
☑️ Engine Carbon Clean
☑️ Safety first, fully insured, IMI Certified and Which? Trusted Traders approved.

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Reviews For our Engine Carbon Cleaning Services

6 hours ago

The person came and kept me up to date and explained thing to me.

2 days ago

Great service managed to get me in same day and ran me through every issue that was showing even sending screenshots so I have them to pass to the garage.

1 week ago

Excellent service, i can't believe how responsive my rs6 v10 is after a carbon clean. Way cheaper than I thought it would be as well

1 week ago

I Have used F5 Engine Carbon & DPF Clean many times over years this would be the only company I would to perform such task thanks again

2 weeks ago

I had issues with my DPF on my 4.4 Range Rover so hot in touch with F5 and Leon came out to me to carry out a DPF clean. Not only did he tell me exactly what he was going to do but carried out a full diagnostic on my car just to see if there was any underlying issues other than dpf. He gave a really good explanation of the process as he checked all the boost pipes and inter coolers for leaks He couldn’t have been anymore friendly than he was and certainly knew his stuff. Dpf all unblocked and engine is back to normal. Couldn’t recommend F5 enough.

2 weeks ago

After going to merc tech in hull wgere they outright lied to me and attempted to charge me for work they never did. I found f5 by chance pulled out all the stops to get me up and running again. Steve was the best. He explained the full procedure and worked professionally THANKYOU.

2 weeks ago

I needed a DPF inspection quite quickly. I contacted Leon and he responded very quickly. Nice and easy to arrange, coming to our site, on time as promised. Leon was a very friendly chap, very knowledgeable, clearly explaining the whole process. All very simple, no stress and made my life a lot easier. I would have no hesitation in recommending.

Mista Strickland

2 weeks ago

Excellent service. Fast and reliable, great communication from them and turned up on time. Sorted my DPF issue on my van fast and well priced.

Mohammad Hossen

3 weeks ago

Fantastic service from Leon- what a knowledgeable gentleman who did a thorough check and diagnostic and advised accordingly on key issues. Car run beautifully following the carbon engine clean.

michael mcneive

3 weeks ago

I had a DPF clean which has worked perfectly and got my diesel Rav4 back into perfect driving condition. Steve, the technician was very friendly and talked me through the whole diagnosis and treatment.

4 weeks ago

Recently bought a Mazda cx5 diesel and wanted piece of mind the engine had been cleaned. I was getting at most 44mpg (best I had got) I am now getting 49mpg. Well worth it and great people. Thanks again !

4 weeks ago

Just had my car done by F5ECC. Adrian talked me though how the process works. This is the second Merc I have had done by him in 2020. C250cdi and now a C350e sport. Noticed straight away more mpg. The car felt a lot smoother on acceleration. I was quite shocked at how much quicker and responsive the car was when I put it in sport+. I highly recomend having this done. Alan Moore. 66 plate C350e 75000 miles.

Our Approach: Which? Trusted Trader Certified Specialists

We are fully insured, IMI Certified, and Which? Trusted Trader approved.

mobile carbon clean for car

Honest Diagnostics & Certified Expertise

☑️ Full live data diagnostics
☑️ Honest advice, no unnecessary cleaning
☑️ Which? Trusted Trader approved
☑️ Fully insured and IMI Certified