I have a 95 ram 1500 3.9l.
I am having a issue with hot air coming from the
bottom vacuum line of the Egr to the transducer,burning up
The transducer .under a load the engine boggs down. I've replaced
The Egr and transducer and it's still burning it up. I've have replaced
The plenum and intake manifold gaskets first thinking it was the
Problem as there was oil in the manifold.
Thanks in advance
Rob

 

Catalytic converter, or another item in the exhaust plugged.

When that happens, that 3.9L air pump can't get the exhaust out, it blows back through the EGR passages and burns up the transducer.

BTDTGTTS.

RwP

 

Any way to check the converter?

 

Warm up the truck to full temp then with laser thermometer check the front and back weld rings of the CAT. The back should be hotter by at least 70 degrees F.

 

Not much need to check if there's many miles on that converter.

Burning oil will plug a converter right up, even faster than a muffler.

You also should plan on replacing that O2 sensor, or those O2 sensors, upstream of the converter; they're plugged with the burning oil also, and will not work properly.

RwP