Engine misfire when driven and fault codes stored for multiple cylinder misfires. Various components checked and replaced spark plugs, air flow meter, timing chain kit and EGR valve. Fault not cured and misfire still present. After further investigation the fault was caused by the carbon canister under the O/S/F wing being full of water and the fuel contaminated with water.
The fault was cured by replacing the carbon canister, fuel filter and draining and replacing the contaminated fuel in the fuel tank.
Due to the misfire fault it is also recommended to use Forté Advanced Formula Gas Treatment and Forté Advanced Formula Motor Flush to remove contamination from the oil and fuel system.
Thanks to Steve at Reno-Tech (North Wales) Ltd in Llandudno Junction, Conwy.
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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