Throttle body temperature sensor
My pajero io (02 GDI) has an erg delete, just plugged in but all piping is removed. Would coolant not running through the throttle body cause an erratic idle? I’ve been chasing this problem for a while. I’ve cleaned every thing up to the heads, cleaned the maf sensor, and did an idle reset.
I try to do things in a methodical fashion...
Rule #1 is modifications should be "reversible".
Some vehicles are capable of detecting a "non functional" EGR system - all it requires is to monitor the manifold pressure after the EGR valve is opened - I did not know if the iO would set a check engine code with the EGR disabled, so I chose to disable mine rather than delete it. The bolts on the back of the block are a pain in the butt, so all the more reason to make the modification easily reversible.
Syndicate
Whilst I can't answer your question ...
I didn't do an EGR "delete", I did an EGR "disable" - inserted a stainless steel "shim" in between the gaskets where the EGR attached to the throttle body - it blocks the EGR passage, preventing the exhaust gasses from being recirculated but leaves everything else in place, it's undetectable unless you disassemble the intake, and it's reversible, if you ever need to - although three years after the fact, I doubt I'll ever need to.
By the way, I don't think there is a temperature sensor in the throttle body - the two I know of are the coolant temperature sensor (in the heater plumbing, left rear of the cylinder head), and the intake air temperature (part of the air flow meter).