Intermittent poor running and misfire, fault codes stored P0300 random / multiple cylinder misfire, P0302, P0303, P0304 cylinders 2, 3, 4 misfire. New plugs and coil pack fitted fault not cured, suspect fault due to sticking valves.
The fault was cured by cleaning the intake system with Forté Petrol I.M.V. Cleaner as per instructions, Forté's Clean & Protect carried out and Forté Advanced Formula Gas Treatment added to the fuel tank.
The owner reported after 150-200 miles the fault was cured and vehicle performance restored.
Thanks to Ian at Murray Auto Services in Helensburgh, Argyll & Bute
Forté's Technical Helpline receives over 300 calls per month. This blog shares solutions for garage workshops on common driveability concerns that can be quickly and effectively treated. The vast majority of those identified are caused by fuel and oil borne contamination formed by natural degradation or via the combustion process. This is a fact of life for internal combustion engines where fossil fuels and oils are used.
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