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Mk2 Ford Focus ST225 Engine Tuning (Complete Guide)

TuneAutos

The Mk2 Ford Focus ST (2005-2010) comes as standard with 225hp. Note : When de-catting your car , it will not pass it's MOT as it will fail emissions testing, making it illegal on the road, it will also be slightly louder. ✔ This article has been fact checked. The Volvo 2.5L

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How to Check Engine Light Codes Without a Scanner

RepairSmith

Permanent Codes Permanent codes apply to vehicles 2010 and newer. They’re usually related to the emission system and were introduced to prevent clearing codes before an emission test. Following the spark plug wire example, misfires will repeat if the wire remains disconnected, so the P0300 trouble code is now confirmed.