Failing emissions test on fast idle
CO 0.52%
HC 82
O2 0.61%
CO2 14.14%
Lambda 1.010, no faults or fault codes found. Forté Specialist Injector Cleaner and Forté Advanced Formula Gas Treatment added and extended road test carried out, fault not cured.
The fault was caused by a faulty catalytic converter.
The fault was cured by replacing the catalytic converter, restoring the emission readings.
Thanks to Jim at Firs Garage in Banbury, Warwickshire.
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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