You guys aren't going to believe this, I'm not sure I believe it myself, just put the code reader on - NO CODES! No Misfires, nothing. Drives normally. This forum saved me from myself!

I'm still going to check the vacuum lines and run some seafoam through, but who would have thought that one loose little wire could cause so much havoc?!?!

Thanks!!!

 

Amazing! Congratulations...so jealous

 

You guys aren't going to believe this, I'm not sure I believe it myself, just put the code reader on and NO CODES! No misfires, drives normally. Who would have thought that one loose little wire would cause so much trouble.

I don't regret replacing the MAF and the O2 sensors because they were due anyway, but this forum saved me from myself! I'm going to add checking this to my regular maintenance checks for oil, coolant, fluid levels, and so forth.

I'm still getting a little bit of hesitation during acceleration and going up hills, so I'm going to check the vacuum lines and run some seafoam through it, BUT I'm declaring victory on the illusive misfire codes for the time being.

 

I don't know, but would be easy enough to make one and attach it.

 

My 04 does not have the ground wire to the driver's side head. The pictures show where on the head the wire is attached but where is the other end connected? The ground point on the firewall?

 

My '99 does not have that ground wire. It does have a green ground wires going to the rear of BOTH heads though. The AB youtube video on replacing the rocker cover gaskets mentions that some trucks have one wire and some have two back there, with no clear reason for the difference. I don't remember it saying anything about a ground wire in that location though.
Perhaps somebody added it because they forgot to reconnect one of the other wires?

 

The engine in this vehicle was replace when it was only a couple of years old and under warranty. There is only 1 grounding wire on mine, possibly as a result. Next time I'm looking for something to do I'm going to fashion a ground wire to put on the passenger's side so that I have redundancy and don't have this issue again. Based on the impacts I have seen of this loose wire, having two of them and checking them regularly will avoid a series of problems.

 

So Ed
the ground fix actually has her running smoother?

 

1. Quote:

   Originally Posted by DiscoBuckeye

   So Ed

Yes, absolutely!

I had 13 codes before I secured that wire including a mis-fire on #2. When I reattached I went to zero codes and running WAY better. Still a little hesitation while accelerating, so there is some additional maintenance I need to do, but the loose wire was apparently the main source of the problem.

I'm going to put a second ground wire on the other side when I get to it.

 

Wait, one of my suggestions panned out?!

Wahoo!

That's shocking. Someone tell Number9 because I'm pretty sure he thinks I'm an idiot (Dr. Idiot, to be accurate).

I've read that without a ground wire in place the transmission becomes a (poor) conductor and current can actually weld smaller metal components attached the the engine, transmission, and drive shafts. I don't believe a word of it.