Our Community is 705,000 Strong. Join Us.
Mil on DTCS 302,303, with no drivability problems
01-27-2009, 08:36 PM
I have a 98 zx2 Ck eng light comes on and flashing dtc po302 and po303 in pcm memory car shows no signs of missfire even when under heavy load?
01-27-2009, 11:18 PM
Welcome to AF. MIsfire cylinders 2 and 3. Could have been a one time arc across the wires.
Reset CEL. Disconnect + battery cable 5 minutes.
01-29-2009, 08:26 PM
Well thats has been considered but every time I clear it Comes back on in a few miles I have used a lab scope on it and can see no missfire Im leaning towards the pcm.
Automotive Network, Inc., Copyright ©2013