what's up, i have a b16a2, itr cams, h-i-e, underdrive pulley, no p.s, well here my delimma, the cars runs good when cold, when it warms up, its runs like a dog, now ive done research and seen what people had to say, no codes, i cleaned tb, ivac, but if my car is leaking coolant....what other signs could i look for for a blown head gasket, for some reason i think it might be the culprit, no white smoke, doesnt over heat...could it be a head gasket

 

Does unplugging the O2 sensor make the problem go away?

 

no, plus i just put 2 brand new sensors in yesterday..lol...thought it was the problems, but i ran it without them..im stumped....runs good could, like a mutt on his last leg when warm...4th gear, wot, will decrease in mph...any more suggestions...i think its head gasket, beacuse wheres my coolant goin...but im confused, why it runs good cold, and horrible warm...plus 97 degree days dont help