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The guy i bought it off of took out the check engine light so tomorrow at work ill try to pull the codes and see.

Thats the thing the starter is fine it cranks and everything it just wont run

So here is my problem. My car was running fine(92 mx3/klze) and then the other day it wouldnt start it would turn over but not start. So i tryed bumping it and it didnt satrt but then i tryed turning it over after bumping it and it started. It has done this thre times already only when its cold ...

and what does vaf stand for?

the idle is smooth not that rough just high

Well my cars at the shop so i dont know the numbers but i just got a regular cat and took the high flow off but now the car sometimes stalls when i take my foot of the gas? is the cat the culprete?

I know thats bad that why im confused.... its idling at 1000-1100.... and what about the o2 censor?

Is there any special o2 censoe to use... or do u use the ones out of the mx6 2.5...and it failed both parts of the curb idle hcppm and co%.. for hydrocarbons the limit was 1.5 and it hit 6.74 for the co% the limit is 300 and the first time it hit 600 and with the new cat it hit 1004? i dont ...

I already have that letter. I was looking around and some people told me to put a egr in others said put the stock ecu in and it will pass.......Any feedback.. will help

Well i live in cananda/ontario,its a 92,it has the ecu for the 2.5klze, its the curve neck engine with the straight neck intake with a 2" exhaust, the part i failed was the curb idle it did fine on the driving part.

I cant pass the e-test with the klze