ep3 speed problem

I have the problem that if the engine is warm the speed when stopping on 500 sinks then also my oil pressure accessory instrument beats because it has to fall to 1.2bar has to pull off somewhere wrong air or does anyone else have the problem? so it’s all back on org (asb,air intake) problem lies but still before the one at honda knew au nix have read out the error memory and then called that you could start looking but actually don’t know what it’s going to be really expensive to look for i’ve picked up again I can find myself here even times of the error memory maybe someone can help me further -PGM-FI permanenter dtc , error code(DTC) P1298 , ELD voltage too high -PGM-FI temporary dtc , no dtc found strong -99srs permanenter dtc , no dtc found -99srs earlier dtc , no dtc found – no dtc constant signal , no dtc