stanger

[StangrBangr420]

mornin folks. Been havin a heck of a time with the stang.
Well, heres the problem, I posted awile back about the car runnin
rough at times. Well i borrowed a code reder from a buddy of mine,
and got all the fault codes. Well, first time i did it i got codes
334-egr closed valve voltage high, and 173-HEGO sensor fault/rich
So i replaced the egr sensor and the O2 sensor. Those 2 codes went away. Still the car was doing the same thing, idling rough with no power...on and off. erased all the codes and did it again, now getting 332-insuffiecient egr flow detected and 223 distribitorless ignition system/ loss of dual plug inhibit (DPI)control, so i then replaced the whole egr valve...still gettin same codes. And i also repleced one of the ignition coils back in the winter cause the car wasnt startin when it got below 0 degrees. Would the 223 code be referring to the other coil? And what the heck is up with the EGR. Oh and the car is a 91, Any help would be great.
StangerBanger420

 

[stangs4evr-roy]

sounds like your DIS ignition module is most likely the problem when your warmed up and idling see if your tach drops to half of its normal reading if so your module is gone.it is the box mounted on the front part of your intake manifold and if you replace it make sure that you put dilectric grease on the heat sink on the back of the module