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I shook the daylights out of exhaust took hose off of dpfe sensor and you can here this noise coming through this hose could the egr valve be bad and making this noise

took the new dpfe sensor off and took it back replaced it with another new one light is off for now i have been noticing a kind of squeeky jingly noise coming from the exhaust seems louder around the muffler could there be something in the muffler causing to much back pressure this thing runs...

I tried a vaccum pump on the egr valve it seems to work fine when it opens up the engine will almost die one thing i noticed was the vaccum to the solenoid is very stong but from the solenoid to the egr valve seems very weak I didnt see a vaccum line to the dpfe there ar 2 hoses coming off of...

egr problems continued changed dpfe sensor and reset codes light went off and stayed off for a day now its back on and reads codes 332 and 336 insufficent egr flow and sensor circuit voltage higher than expected /exhaust pressure high what do i check now

where is the dpfe sensor I see an aluminum sensor with to hoses coming from the egr tube and a vaccum solenoid going to the egr valve is either one of them it

Hello, I have a 1994 Ford Explorer that the check engine light stays on and there is a smell coming from the engine compartment that smells half burned gas. I pulled the code and it says code 327 which says egr position low circuit, I cleaned the EGR valve and it seems to be working ok...