Thanks Steve,
But, if you go by the way that you describe the EGR system, which I believe to be correct, than the DPFE sensor can have absolutely NO effect on how an engine runs.
Why? Because all your saying is that the DPFE tells the PCM how much EGR flow there is, but you're not saying that this information actually CONTROLS EGR flow. So if all the DPFE sensor does is tell the PCM how much EGR is flowing, how can a bad DPFE sensor cause an engine to stall??? If the DPFE is simply a feedback sensor, and the PCM does nothing based on this info, a bad DPFE would cause nothing other than a DTC.
I also go back to my original question: If the vacuum supply to the EGR valve is disconnected, and the problems persist, than how can the problem possibly be an EVR or DPFE problem? To me, a DPFE reading low would cause the PCM to command too much EGR flow(because it thinks not enough is occuring), and as a result, there would be constant vacuum going to the EGR valve. BUT, disconnecting the valves vacuum supply SHOULD quickly reveal whether this is the case or not...correct?
THANKS MAN!:)
