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My boost keeps falling off in the high rpms. No matter what i do with the gain or setgain it still falls off. When i floor it it spikes up to about 15psi then slowly goes down to 11-12. Any ideas? If i run like 40% on the boost, 5% gain, and 0 set gain it climbs to 14-15 smoothly and nice then...

http://cygnusx1.net/Supra/TechTips/engine_error_codes.aspx Fix the codes first. ---------- Post added at 07:43 PM ---------- Previous post was at 07:42 PM ---------- Also, you can pressure test the whole car if you leave the oil cap off so you dont build crankcase pressure. It will let you...

Just get a 3" Downpipe that has a built in turbo elbow. Best and cheapest way.

Thanks Shaeff, actually just got back in from fixing it. Went to jegs and grabbed a 3" coupler for 10$ and now its all good to go. It was infact unmetered air entering the system after the AFM, because the silicone coupler that was on the turbo and intake pipe was messed up and leaking air...

So, i havnt pressure tested the system yet, but i went down there and my cooleze intake pipe (accordian hose) was pretty much falling off the turbo inlet. I tried to get it back on there but the silicone coupler i used before is jsut giving me the biggest pain in the ass and does not want to go...

1) Zip ties, got it. Got them on some lines... Not all of them though. 2) Cleared away after pulling EFI, hard runs and didn't come back. I believe it was from boosting 15lbs @ 2k rpm in 3rd gear (Brake Boosting)... Not doing it that low in RPM range anymore. At least thats exactly what i was...

Im pretty sure i dont have any vac leaks, i just put a new head on the car less than a month ago, im pretty sure your vac is just due to elevation or something. Mines been 18-19 since i bought the car 3 years ago. I also pulled the EFI again and its still 16.5-17 at idle, but fine everyother...

So last night after some hard pulls the CEL came on, code 12, 34, and 52 *FUUCK* anyways, went home, pulled the EFI to reset stuff, went back out for some hard pulls and everything was all good. I think the 52 was from when i brake boosted and built too much boost at a low RPM. Anyways, my Idle...

This! I run a 3.5inch to 3inch coupler on my cooleze intake pipe to fit the lexus maf eaisly.

CEL codes are stored as soon as they pop up, go out there and follow this then report back with codes. http://cygnusx1.net/Supra/TechTips/engine_error_codes.aspx

http://cygnusx1.net/Supra/Library/TEWD/MK3/default.aspx Toyota Electric Wiring Diagram online for ya

Ive heard try using dishwasher soap to soften the rubber and to lube it up and that really helps getting the lex afm in the hose.

I cant find an exact part # for it, someone else might chime in. But i know they make 255 290 and 310 LPH fuelpumps. + Ive heard people saying they'd rather run a Bosch fuel pump over a Walboro because Walboro's dont come in cars and are aftermarket pumps, where as Bosch fuel pumps are pretty...

Fuel pump would run out and it would go lean? Instead of worrying about getting a fake walboro 255 you could just get the bosch fuelpump.

That turbo needs replaced asap! Code 34 is most likely a boost leak, probably in your lower intercooler piping caused by whatever went through that turbo...

^^ What he said. My setup is similar to yours 550s / lex combo, and you can not run 550s with a stock afm, stock fuelpump etc. It just doesnt work. It will run extremely rich because you will be adding 25% more fuel without adding the 25% extra air from the bigger afm from the lexus v8. 25% more...

Id rather not pay for a whole set because my ignition and trunk are just fine, just need to fix the doors. If someone has spare sets i may do that... I don't know. Thinking of something. ---------- Post added at 10:56 PM ---------- Previous post was at 10:53 PM ---------- You mean get used...

Does anyone know where i can get replacement door locks? I dont mind using a different key to get into my car than starting it, but i like to be able to unlock/lock my doors. My pass one is entirely broken from my car previously getting broken into , and my drivers side one is really messed up...

From another thread.

Sorry for such a noob question, but i just got my aftermarket water temp gauge installed, and im not used to having numbers instead of just the stock one. What should i set my warning for? Also, whats the average operating temp for the 7m? At what temp should i worry and turn the car off at...