need help quick think something is really wrong

[brs86supra]

i think i have a serious problem, my turbo and my turbo manifold is glowing red hot. its never done this before and i also have not downpipe on it, my exhaust stops at the elbow. what could be causing this problem? any help will be greatly apreciated.

 

[MDCmotorsports]

Giant boost leak or cam/ignition timing.

 

[brs86supra]

so a boost leak will cause the exhaust side of my turbo and manifold to turn red hot. its boosting fine, and is also running fine, except for the fact i am getting crapy gas mileage

 

[MDCmotorsports]

Yes. A boost leak will throw fuel (mostly unburnt) into the ehxaust system. When the exhaust system becomes hot enough, it ignites the unburnt fuel.
You may think you are boosting "fine" but its not likely.

Also, check ignition timing and cam timing.

 

[brs86supra]

ok will do so thanks mdc

 

[brs86supra]

i just went outside to look at it and there is white stuff where the elbow connects to the turbo, cant check timing yet cause its kinda late and dont want to wake any of the neighbors. plus i have that heat soak problem. would it hurt it to still drive the car or would it cause problems to my turbo and motor.

 

[brs86supra]

earlier today my heater core hose broke off and coolant went all over my engine. just a thought this might help diagnose but not sure.

 

[Supraboy89]

make sure that the coolant lines going into the turbo are not colgged.

 

[1988SupraDreams]

O2 sensor is adding extra fuel to get rid of all the extra air that it's detecting since it's about oh.. say three inches from the outside air. Put you DP back on.

 

[brs86supra]

ok thanks a lot guys i will put my dp back on today and go from there. also i am getting a code for my o2 sensor could this be my problem with it adding in too much fuel

 

[MDCmotorsports]

make sure that the coolant lines going into the turbo are not colgged.

This won't make the turbo glow red.

ok thanks a lot guys i will put my dp back on today and go from there. also i am getting a code for my o2 sensor could this be my problem with it adding in too much fuel

A broken o2 sensor is doubtful to be the culprit of making the manifold run that hot.

 

[whenmunkysfly]

This won't make the turbo glow red.



A broken o2 sensor is doubtful to be the culprit of making the manifold run that hot.

I's it normal for you to get a little bit of red glow just before the elbow when boosting hard. not alot just a very slight amount?

 

[brs86supra]

ok just checked my timing it was way off and my afm is now gone. everytime my afm is plugged in the car will die and when i unplug it, it will idle right, could a faulty afm cause my problem

 

[Syris]

no your afm should be doing the exact opposite.When you unplug it should die and when you plug it in, it will correct its idle

 

[87CandyBlueT]

No............

 

[brs86supra]

yeah thats what i thought mine does the exact opposite idles with it unplugged and dies and idles irractically wiht it plugged in.

 

[brs86supra]

Giant boost leak or cam/ignition timing.

mdc i also had a boost leak like you were talking about my pipe coming off my turbo to the inercooler was somewhat on and off.

 

[1988SupraDreams]

Yeah because your O2 sensor is getting outside air...

 

[brs86supra]

i got another afm in the mail as we speak so i hope that this is part of my problem. somehow my timing was like 2 degrees below tdc dont ask me how this happend cause i dont know.