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Reset the TCU and now that the engine is making power it is running in FWD mode for sure. Still pulling the ATF Temp code, I am picking up a multimeter tomorrow to check the wiring/resistance of it.

So in case anyone else has a similar issue, The fuel pump was half dead.

The pump had full pressure at idle but as soon as it started to rev up or be placed under load it dropped hard. I put in a fuel pump out of my 06 STi and it worked just fine and runs like a champ.

No abnormal driving conditions.

I fixed the code 51 by adjusting the switch

I cleaned the MAF and nothing changed.

Replaced fuel filter and it got better but after being under load for a couple seconds it cuts out and wont rev past 3 or so.

So I went through the TCU codes and I have the code for an ATF Temp sensor issue. Has anyone had a similar problem or no, I just bought the car and I am trying to fix things on it one by one and this is the next issue.

Thanks I will try that when I get home. Im in Tokyo now so it wont be for a while but I will update when I get home

I have, the only code that comes up at all is the code 51

I have my 93 4EAT car and as soon as it comes off idle it seems to do okay then cuts out until I reduce throttle input. It wont rev past 4200 in neutral or 3000 in drive or if I hold any gear. If I give it more gas it slows down more but if I slowly roll into it the car starts to move better. It is ...

Only code 52 shows up

I did that and it's coming up with ATF temp sensor

I have an update. I found the boost leak, the previous owner used regular hose between the brake booster and IM so I replaced that with a wrx unit with the check valve.

Now I am still having problems with the car running right as I Now have codes 12, 51, and 52.

I have a 93 Turbo sedan with the 4EAT. It wont let me rev past 3500 or so and as soon as it feels like the turbo is spooling up it looses power and if you give it more gas it seems to cut out. It originally had a knock sensor code and I have since replaced that and the code as not returned but now I...