🚗 Volkswagen Golf 1.4 petrol (2010 – 72,349 miles)
🙋Reason for booking in…
‘I’ve recently had issues with a misfire so had the spark plugs and coil pack changed. This worked for a bit but the car doesn’t feel like it’s running how it should be with a rough idle etc. I’d be interested in having some diagnostics and a carbon clean’
🔎 Initial inspection found no obvious issues in the engine bay, but a tell tale purr from the carbon present.
📊 Initial code read found no historic engine codes (had been wiped previously) and just a couple of other minor codes elsewhere.
🔎 Live data all showed all injector, temperature values, etc. looking good. No misfires on the day, all looking well enough with temperatures and fuelling where it should be.
🤔 We did spot a bottle of well known fuel additive/cleaner in the car door and after some Q&A deduced the issues had started after the additive had been put in the tank. Over time the issues have diminished, but it’s very likely this caused the misfires.
🧑🔧 The owner wanted the Engine Carbon Clean and it soon smoothed out, quietened down and by the end it was quiet, smooth and responsive again. The owner can now get the sensor replaced and recalibrated on diagnostics.
☑️ Full live data Diagnostics
☑️ Which? Trusted Traders approved Engine Carbon Clean
☑️ Safety first, fully insured and IMI Certified
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