my car runs crapy; it runs rich, it runs rough at idle it stalls at idle in gear iam burning alot of fuel. its a 87 iroc z with a 305 tpi with auto. ii have changed the maf the ecm the tps the maf relay the after burn realay i have had it on the pro scan twice it say 33 and 36 code and iam ready to through the injection out the window and through on a edlebrach. can anyone help me please?

 

I had almost the same problem as you have. It turned out to be that Lambda thing (dont know the exact word in english) it wasnt connected properly so the car ran in open loop al the time. It burned fuel like crazy. So i fixed it and know its no problem.