98 E250 code P1408

[Kulluan77]

Egr flow out of range. Changed EGR Valve, EGRVR, checked and cleaned vaccuum hoses, even ran some cleaner through the intake via vacuum line from brake booster.

Vaccuum to egr seems to be working correctly. Egr itself opens/closes.

Repair guide says check every electrical line in/out of egr system including the PCM. Lil bit much.

Last sensor would be the DPFEGR. Wondering if it is known to be a weak part or should I attempt to check out more first before changing it. Any help would be greatly appreciated. -Kulluan77

Edit :
DPFE Sensor read .11 with or without exhaust lines connected to it.
When you disconnect the plug to it, the reading jumps to 5.12

Update :
Changed DPF-EGR sensor. Parts place calls it a EGR Position Sensor... Seems to be working now. Will be sure after driving a bit and re-inspection.

[rivguy]

THE DPFE IS ALWAYS THE PROBLEM - THEIR JUNK PARTS AND SO FAR i HAVEN'T FOUND A GOOD WAY TO MAKE THEM LAST