Combustion residues on the intake valves – what to do? Direct injection engines, such as the EP6-DT and EP6-DTS by Peugeot/Citroen, suffer from combustion residue buildup on the intake valves.  This is a very common problem with all direct injection engines nowadays. Because fuel is injected directly into the combustion chamber, it does not go
This Peugeot 207 Rallye 1.6T (THP150 with EP6DT) delivered fantastic power results.  The turbo kit comprised of  a GTX28 compressor wheel on a Garrett GT2860, upgraded camshafts, improved fueling and WMI combined with a built engine, upgraded full exhaust and big intercooler. The engine just likes to rev!   Upgrade specifications 98RON fuel Water/Methanol Injection
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