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Ok back on topic about code 31. I recently replaced with a 1jz non turbo afm (free) pretty sure its not correct due to code came back. can vacuum leaks that i have not noticed or found cause this? I have also realized that right after wot let off the car tends to die?are they related or am do i...

Before buying a new cps have you tried testing or having it tested? check your wires and connector plugs make sure all pins are secure and wires are not exposed. use this site to help ya out with the testing. http://cygnusx1.net/Supra/Library/TSRM/MK3/

I think the car was running really rich at one time or another, it has a new jdm engine that has never been run due to the fact the guy thought he had a bhg and a blown turbo prior. Anyways the stocker had 200k. when i removed the down pipe the second cat was full of soot just a lot of black...

This might have been answered but correct me if i am wrong will a cooling system psi test also very a blown head gasket given it is coolant to cylinder or to oil?

So i figured it out, regardless of the afm being bad and still throwing a code, my exhaust was completely plugged after the turbo. Pulled the o2 out and there she went started running smooth idling good and revving up. According to the guy i bought it from he said there was a blown head gasket i...

Ok ill search for them as well it will be compatible with my ecu without any other mods? Any ideas why the po had spliced into the knock sensor egr temp and sensor ground (E2: afm, tps, coolant temp)

How exactly would you clean one? i read that they are optic type i believe with no hot wire

The car does still acts the same, which is makin me believe it is the afm. Is there any other sure fire ways to confirm? i dont have any extras laying around nor am i able to locate any used ones at this time. One thing i have not done is test the resistance which i will do later tonight or in...

I just purchased this car and cannot get it run only idles if that. Will not rev past 1k and when let off it dies? I checked for codes and found 31. I have went through checked the ecu wires, all test good from what i have read (powers and grounds) checked connector at afm, have ground on E and...

Ok so here goes. Just bought the supra with supposed BHG, not seing any signs of that right now but cant verify as to the car wont stay runnin. I checked for codes and got code 13 or possible 31? I have checked the firing order, timing belt, cps timing marks multiple times. The only way to keep...