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it really depends on how strict they are on emissions.. here in pa its a tailpipe test if your hc , co, and nox are under control , i dont think they care what mods are on the car..

have you changed the thermostat? or even tried to run with out one to see if the problem is still there?

well im getting ready to replace an auto tranny in a few i will take some pics to see if they help...

you dont really need the fuel regulator yet..im making 300 hp without one...

Uninstalled the supposed "new " harness and replaced the maf and the car runs perfectly again.....

suprasport has them also and jscspeed has them also..

i had a bhg that never leaked coolant it would just overheat after 30 or 40 mins of driving .

what was it im having a similar issue....gimme a place to look please

Ok i know i have a MAF problem(wasnt too sure before) got hold of a known good one and my car is still acting the same wont rev past 1500 rpm, engine very rough idle and it shakes very violently, like the firing order is off it has to be in the injectors case i know its not in the plugs, does...

i dont think i would make it stall, unless its bad gas. By the way it is a bad idea to run anything less than 91... ive learned that the hard way...

Got a noid light, And im in the process of testing injectors and i also bought a tester for finding open or short circuits.....to be continued....i will update if i find anything..

Well if its something i can help with let me know.... i do have that cps now if you need it...

ok i just tested a known good maf and i got the same numbers as mine so either im testing them wrong, i dont think so , or its not the maf.....i need ideas....im going over the wiring for the safc...i runs the same with the afc connected and disconnected...should be some type of difference right?

I had a problem like this years ago it was a bad headgasket no mixing of coolant and oil but if i drove more than 40 mins it would overheat...pressure test the coolant system, makeing sure you run antifreeze also helps..

hey can i text you the pics i cant seem to upload them here just to make sure im right?

code 31 now the car will idle very rough around 400rpm on its own but still wont rev i tested the maf to see if that was the problem... someone tell me if this is right im not great with multimeters...

gimme two minutes i will have new codes posted

sounds a little smoother but still wont rev or idle ..

Yes it all started after i put the new harness in.. i was told the settings on the safc were saved until you changed them is that wrong does it need to be redone? im not real familiar with messing with the safc. ---------- Post added at 10:35 AM ---------- Previous post was at 10:34 AM...

ok i do have the lexus afm and a wideband also a walboro 255 pump, i didnt really think i made a difference thats why i didnt mention it, sorry bout that. i never took the tps off and it was running just fine 2 days before, thats why i find it kind of hard to believe it just went bad just like...