I have a 95 accord with a h22a havent done much mods besides throttle headers cluth.....exahust... my problem started all of the sudden my iddle rpm dropped to like 100-200 and now its taking out black smoke from exausht.... i cheked spark plugs... they pitch carbon black.... i changed them no problem.... cheked air filter... cleaned thrtottle boddy even changed 02 sensor.... still... i have no cat.... so the second 02 sensor is gone out but that didnt give me problems... so i doubt its that.... im gettin sparks from the plugs... cheked distributor... duno the problem..... duno wa else is messed up... i need help~!!!
**before it would iddle around 700 and when i was driving and put on neutral it would stay arun 1000Rpm then drop down... i asume thats normal... now when im driving around 40km... and put it on neutral it drops down to like 100 rpm all of the sudden... sometimes it dies on me..... HELPP!!!!

 

well i would check your fuel presure regulater. and map senser... is the car throwing a cel.

 

no is not throwing a cell.... however... it sounds like therz a misfire... but i am gettin spark on all 4 cylinders....... wires everythin is fine.... when is cold it will iddle at 800 but then when is hot it iddles at 100 200 and wants to stall sometimes it stalls on me on the road........ i was checkin the sparkplugs they still carbonized.... what does that mean??? not enuff air? or fuel?? im gona replace the fuel filter