LGTmakes3 Posted April 13, 2019 Share Posted April 13, 2019 Upon returning home this morning, I was smelling something like a burning smell. When I got home I saw what looked like light steam or smoke. I opened the hood and found that the down pipe right behind the turbo was smoking. It's an Ividia catted down pipe. The temp gauge read normal. I hooked up the access port and the temp read 190. I'm not sure what the normal operation temp of the engine is. There are no codes logged. Any ideas as to what to check for or what the problem may be? Link to comment Share on other sites More sharing options...
MaDDraGoN07SpecB Posted April 13, 2019 Share Posted April 13, 2019 (edited) Check your coolant hose for your turbo. I had the same thing happen. If it has an OEM hose clamp on it they stretch over time and when pressure is built up it will spray coolant right at the turbo and drip onto your exhaust. Get a 5/16 hose clamp that you can tighten up with a screwdriver. It's probably a good idea to replace the rest of the hose clamps with newer ones if you're having this issue. It's an easy fix. You'll just have to let the rest of the coolant burn of the exhaust or spray it down to wash away the coolant. Edited April 13, 2019 by MaDDraGoN07SpecB Link to comment Share on other sites More sharing options...
MaDDraGoN07SpecB Posted April 13, 2019 Share Posted April 13, 2019 Check this hose. Link to comment Share on other sites More sharing options...
DaveWaters Posted April 13, 2019 Share Posted April 13, 2019 The inner cv boot is a common problem... splits and flings grease on the uppipe.. also check for valve cover leak as its above the uppipe as well. Unless its smells like coolant in which case check as was specified in the last post. Link to comment Share on other sites More sharing options...
MaDDraGoN07SpecB Posted April 13, 2019 Share Posted April 13, 2019 Just let us know what it was so I'll know if I was correct. Link to comment Share on other sites More sharing options...
LGTmakes3 Posted April 14, 2019 Author Share Posted April 14, 2019 I've gone over the car and do not see anything out of the ordinary except it was a quart low on oil. No sign of coolant or oil leaks and the CV boots are in tack. I took it out just a little while ago and it is running hot. From the Accessport i see temps climbing to 190+ but I don't hear the fan coming on. Seems as if the exhaust is super hot and causing the bell of the down pipe to heat up. Link to comment Share on other sites More sharing options...
MaDDraGoN07SpecB Posted April 14, 2019 Share Posted April 14, 2019 I believe the smoke you're seeing is your catt burning up...I wouldn't be driving the car right about now. Untill you find the actual problem. You are going to risk further damage or worse if you keep driving it. Link to comment Share on other sites More sharing options...
LGTmakes3 Posted April 14, 2019 Author Share Posted April 14, 2019 Once I saw the temps go up and caught a whiff of the smell like the other day, I turned right around and came home. Link to comment Share on other sites More sharing options...
MaDDraGoN07SpecB Posted April 14, 2019 Share Posted April 14, 2019 Good. I would have a mechanic look over your cat and head gaskets. Unless you have the tools to do it yourself. Might just be a blown head gasket and thermostat. Link to comment Share on other sites More sharing options...
DaveWaters Posted April 14, 2019 Share Posted April 14, 2019 (edited) YNANSB for sure... j/k ....190 degrees is not high, thats normal operating temp. What was the highest reported on the AP? How are you determining the exhaust is getting very hot? IR thermometer? Do you still have an egt? If so see how it looks on your AP. The bellmouth will get hot and take skin if you let it. The cat is close to the bellmouth on an invidia DP so there will be a lot of heat there. I’d do a very close inspection with a mirror and flashlight to make sure something didn’t end up where its not easy to see on that hot surface and cook off. Is the car running rough or is the mil on? Edited April 14, 2019 by DaveWaters Link to comment Share on other sites More sharing options...
dirish898 Posted April 16, 2019 Share Posted April 16, 2019 I had a similar issue and it ended up being my head gasket. Was there any smoke coming out of your exhaust? Link to comment Share on other sites More sharing options...
boxkita Posted April 16, 2019 Share Posted April 16, 2019 check your breather hoses. After 14 years, they get old and brittle which leads to cracking which leads to leaking oil which leads to burning oil smell. Or pull your undertray and park on a clean piece of cardboard after getting the car warm. You'll see the oil spots right away. Build my car Boxkita Track days Link to comment Share on other sites More sharing options...
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