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Ok finally did a boost leak test and found a leak. The intercooler seems to have a crack but can't exactly see where it's at, the cooling fins are in the way. I hope after getting it fixed or replacing it it'll fix the cars boosting problem.

Yea I have. Is that why I get that STA code?

Yea I'm sure man

Alright sounds good man I'll keep trying to figure this out thanks for the help so far :).

Yea I read what the codes were but I'm saying I don't understand how that would affect the cars performance. For the code 42, does the car NEED to know how fast it's going? For code 43 it says no starter signal until it reaches 800RPM while it's NOT moving so it shouldn't affect the car while it...

I checked for codes again and i get codes 42 and 43. I don't think those would affect how the car drives or am i wrong?

CEL is not on. Ok i'll try doing a boost leak test

Hey guys, I have an 87 7M turbo and it doesn't seem to produce any power trough higher RPM's. From a stop or just cruising it'll pull a bit but then it's like complete power loss and it'll start kinda like bucking here and there till about 5K and power will hit out of nowhere. Also tonight it...

ok so i noticed if i slowly open up the throttle instead of going straight to WOT it boosts a hell of a lot better. Would that have to do with the AFM, TPS or something with fuel delivery?

I've changed the Main Relay and have checked the wiring from the relay and the ignition, should i try swapping out ECU's?

Ok so if i go WOT it seems like power isn't being transfered to the wheels but you can hear the turbo spooling but not much movement and after going WOT a couples times the CEL usually come on. It reads code 11 and thats when the car really starts boosting like crap. Usually you can feel the...

yea i've heard about the compressor surge but many mkiv supras have a BOV that sound like that. So does that mean they're all getting that compressor surge?

Is it normal for a BOV to make this sound? Or does it mean its gone bad?

O yea my bad 51tps and 52 I think and its for knock sensor

Ooo ok cool and yea I got check engine light but only ccodes are 51 and the TPS one I forgot wat the number was for that one

Yea cam timing is rite and cps plug isn't too great.... wats CEL?

Yes I used one

I alligned the cps and set the crank to 0*. Started the car and used the timing lite and adjusted the cps till the little yellow marking showed 10*. Went to drive the car and it was relle slugish and if I floored it it would just sound like if it was reving relle high but i wasn't moving and the...

sweet found my leak it was the 90* hose that was rite by the exhaust manifold thanks for your help guys

I. changed the hose under the distributor but maybe the clamp didn't get a good grip cause it was kinda hard to get those hose clamps to tighten up with a screw driver in there so I'll check it again..... it has a seal where the thermostat sits and where the water neck bolts up to the block and...