Compression good- oil pump working no codes on the diagnostic
2004 Acura TSX Hard to start shakes must apply gas petal to start. on 2004 Acura TSX
poss idle control valve or misfires scan live data to verify.also could be torn intake boot
should these of showed up as a code
1 more answer
possible air/fuel mix issue. review when last tuned. run diagnostic on fuel and exhaust system. possibly just need fuel system cleaned. can be done by adding ethanol treatment to a tank of premium fuel.