i'm selling the crx and was giving a 88 civic with a 1.5 dual fi system.they put a cold air intake and header on it.now when you floor it it feel like its flooding and spits and back fires then if you let up alittle it clears up.I just changed the cap,rotor,plugs,wires,o2 sensor,made sure all hose are correct.it ran good the it warm up and started it again.I checked the codes and it give me a 16,17.the speedo gauge does not work. will this be why i'm getting the 17?are these car cable or eletric? can anyone help please i'm not used to honda's