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Hi All, I am battling fuel pump (I believe) issues. I ahve replaced the pumps int he tank as well as the filter and sending unit. All coils and plugs have been replaced and one injector was bad (P0203 code). In any case I am still suffering form the "slump band" in the RPM range while under load (driving). GTS is a 6 speed manual so it's very easy to put the vehicle in the slump. I hooked it up to the Durametric this morning and took it for a drive. I utilized the logging feature and initiated the following: 1) Fuel Level (53) 2) Pressure Upstream of Throttle Body (902.7 mBar) 3) Fuel Hi