94 T&C Misfire 3.8
#1
94 T&C Misfire 3.8
My 94 T&C has some major misfire issues. Starts out ok. Idles fine, runs/drives ok for a few minutes then begins to misfire and just gets worse until it will hardly run without backfiring into the intake with no power. I should mention I have 340k plus on the vehicle. Motor was replaced with a used one years ago and is likely 150k plus. I have checked the heads for broken rocker post and that's not the issue. The new plugs had three that were fouled. I have experienced leaking injectors before so I thought that was the likely issue. 6 new injectors later ..still the same problem. Before the injectors I replaced the coil pack and plugs/wires as well. I have replaced the crank position sensor also.
This vehicle is my daily driver 750-1000 miles a week.
Any idea's /thoughts would be greatly appreciated.
Mark
This vehicle is my daily driver 750-1000 miles a week.
Any idea's /thoughts would be greatly appreciated.
Mark
#3
well it wouldn't be the first DOA part I've ever seen. I'll look into testing it.
I was wondering though if the computer or the fuel pump might cause these sort of issues. The ECM has never been changed and the fuel pump is an Orielly auto parts cheapy.
I was wondering though if the computer or the fuel pump might cause these sort of issues. The ECM has never been changed and the fuel pump is an Orielly auto parts cheapy.
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