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What you need is general maintenance...and this http://www.supraforums.com/forum/showthread.php?152334-Newbie-s-guide-to-Modifying-your-MK3-turbo

do a compression check and let us know. That will anwser your ring issue. Bu tkeep in mind that if theres oil in the cylinder when you do your compression check your results will be effected. But its a starting point.

I tried checking the sensors but couldn't get any results from anything so I gave up and re-wired it since I already bought the wire. TA-DAA! No more light. Apparently my inspection of the wiring wasn't good enough. Live and learn I reckon. Dinglenuts (the original owner) has once again proven...

@mk3_7m - the wiring passes my inspection so I'm going to check the current sensors before I start throwing money at it. No sense buying 2 sensors if I only have to change 1! @jet jock - I've been on a few other unlrelated forums before and understand what your going through. But my next...

so I was going to reqire it today, but, as bad as this sounds on my part, it turns out that its already been done. Theres 3-4 inches of wire after the KS before the shielding starts. Will that effect anything? It would also appear that the shielding has been grounded to a wire in the ECU. Not my...

Thanks for the input. I went out and bought the fancy sheilded wire that people are raving about. Sounds like I either do it now, or later when it does fail. I'll hopefully re-wire them tomorrow and hopefully fix the issue.

I agree that I missed something. In my mind wiring is either good, or bad. That simple. Your telling me its bad. I'll take your word because I'm sure your more experienced than I am. So why does the CEL only turn on at 10ish inches of vaccum, shouldn't the wiring be bad regardless of engine...

I've read every thread I could find on knock sensors and still havn't found my answer. I'm getting code 52, but only when my vaccum hits around 9-10 inches. I can drive around with no code but as soon as I hit that magic number the CEL light up. Then of course it stays on. Next time I start the...

12lbs is quite high boost on a stock engine and also right around the point where fuel cut hits. Maybe your fuel pump isn't able to keep up so your running lean enough to cause a misfire. Just an idea. Do you have a wideband O2 sensor?

Thank you mister central! I believe that was the most helpful reply anyone has ever left for me. The manifold I have looks just like the one you posted a pic of. I was getting worried that the guy I bought it from had put the wrong parts on...again.

I have a 7mgte stuffed into a toyota pickup. I didn't do the swap myself, I just rebuilt the engine when I bought it. This is the first turbocharged engine I've worked on. I'm looking into aftermarket exhaust manifolds and it would seem that all of the manifolds I can find on ebay have a second...

got it...gasket between the turbo elbow and the exhaust was mostly missing. It was leaking after my o2 sensor but before my wideband. My o2 sensor got the right reading but but the wideband was giving me the reading with some of the gasses escaping.

so I made some head way tonight. I realized that one of my knock sensors was in the wrong spot, I moved it so it was right by the starter instead of the middle hole. WHAT A DIFFERENCE!!! It gained instant power, throttle response, BOV is more active, turbo spools up faster and now idles without...

did you check the valve clearances when it was rebuilt

bumpiity bump bump

so I don't know if this is progress or not, but I was tinkering under the hood this afternoon and found that if I pinched off that short hose on the front of the intake manifold connecting the mani to the "vaccuum rail" , the first time I did it, it shut off, but the second time it sputtered...

I was told its from a subaru, its mounted in the space right above the tubo and has hard tubing across the valve covers to the intake. Pretty much anywhere would be a better place for it due to the heat coming off the turbo but its the only spot I have. Shes a tight squeeze. I forgot to...

I would love to have a totally stock engine for troubleshooting purposes but its a tight squeeze to get it in a pickup. The fire walls been beat with a hammer to get the coolant hose out of the back of the head to fit and the rad support has been cut and a custom rad support was installed 3"...

Hey all. Heres the scoop. I have an jdm 7mgte stuffed into an 85 toyota pickup. I bought it from a guy who did the swap, then the engine died and he sold it to me. It ran when I bought it but had 2 cracked pistons so I didn't run it long...just wanted to be sure it did. So I rebuilt the engine...

keep in mind that the stock oil pressure is 4.3 psi when hot at an idle around 6-700. That is not a typo...4.3psi