chk the wires then

 

Well.. I ripped that wire harness apart and found probably 7 or 8 wires that needed to be fixed.. I soldered and heat-shrunk them back new.
I did get a C.E.L. again though (P0355). Hopefully the other codes dont return since a couple of those wires should've fixed a couple codes, one was a signal wire to coil #6.. Here's hoping!
*prays to the car gods* *goes outside and provides a burnt offering*

a few pictures of what I went through lol! I split open all the looms. yes, I re-tapped them back together..




-Justin

 

Well, I checked the codes again and its throwing the 355 and 356 again :-/

debating on pulling the harness out again and double checking..



-Justin

 

I just solved a similar problem...
Based on your pictures, it looks like the wiring harness was rubbing in the same spot. I have to imagine that this may not be the only location the wiring harness is prone to rub through.

Were you able to track down any additional shorts?

 

Not in that area.. no. That was actually the first place i looked. Everything seemed still "like-new".

I'm going to pull it apart again this weekend. hopefully i can find something else.


-Justin

 

Update,
Well, I re-inspected the wires and found nothing new. I even replaced the spark plugs to the "OEM" champion double plat.'s nothing new; even pulled the entire harness out to check...



Took it to another shop, varified that the PCM is bad again. and ended up taking it back to the origional shop and had the PCM warrantied.


Well. Picked the car up last night - So far, so good. they replace the PCM again..



aparently, they got a hellova deal on the PCM

I also decided to clean the inside. it pisses me off but, still such a slick car




Next on the agenda, getting a drop down LCD for the back seat. I found how to splice into the video out of the 6disc changer to do video.. might do some creative splooging there..


-Justin

 

Can this be done without taking the manifold off?

 

Doing spark plugs without taking the manifold off? no. you can get to the back 3 but the front 3 are under it.


An update on the car, since I got an email about this thread being posted... I've since returned the car to the dealer. Engine wise this thing is a piece. I had to replace 3 motor/trans mounts, re-re-re-install spark plugs because it was burning them out and also 6 coils because the loom being damaged caused a back-feed and all i would get is missfires. The dealer wouldnt warranty anything because they said, after all the previous PCM work that the harness damage was "negligent" and any additional work would be due to poor upkeep...

Its a slick car. I miss it but the hassle of owning it was annoying.


-Justin

 

Hi read your post and I might be having the same problem
Can you please ford me some photos of what wires you fixed also can you please let me know where was this rub spot that your mechanic was speaking of..thanks
I ripped all my wiring up also but I don't see any bad wires and ground is great also however I still get missfire on cyl 4 my pcm was sent in for repairs however I have a back up pcm and don't want to risk burning that one out till I get my other one back..any help and photos would be greatly appreciated.
My vehicle: 2004 Pacifica 3.5 awd 95,000 miles.