96explorerxlt2wd
Active Member
- Joined
- June 21, 2012
- Messages
- 53
- Reaction score
- 0
- City, State
- Lewisburg, PA
- Year, Model & Trim Level
- 1996 Ford Explorer
About 2 weeks ago, I had to replace the alternator on my '96 Ex. After driving it to make sure it was fixed, the check engine light came on like it had always been. There were two codes: EGR flow excessive and insufficient. This had been a problem since at least a year before I bought it because I worked on it for the previous and one day came up with the same codes. It seemed to run fine so they did not want to try to put any money into fixing it. This would be around the end of 2011. I figured it was about time to try to fix it so I went on here and searched and found that it was probably a bad DPFE sensor. I took that sensor off of the old SOHC engine out of my other Explorer and installed it and the check engine light went off and everything seemed fine. Later that day, the check engine light came on and was a P0304 and a pending code (I forget what the exact number was) but it said that one of the o2 sensors had a slow response. Hopeful, I just cleared the codes and went on my way. Since then, it has kept the P0304 but the o2 sensor code never came back. The wires and plugs were put on less than 5,000 miles ago by a garage. I sprayed salt water on the wires one night and 3 or 4 of them were arching so I got new ones under warranty and replaced them. I replaced the coil which also did nothing. I pulled the #4 spark plug which had oil on it, cleaned it, and reinstalled it. This seemed to fix it for a short time of a mile or less. When I hooked my computer up to it and monitored everything, it said that the bank 2 sensor 2 was constantly reading 1.275v. This did not change if I floored it, idled, or was at a steady speed.
Today, I crawled under it and the o2 sensor behind the cat (sensor 2?) was loose. Which brings me to my questions:
Could the O2 sensor have come loose when it backfired? It wasn't much popping but there was a little a couple times at WOT. It also is not stripped out.
Could the vehicle sitting for over a year have anything to do with the oil on the plug or would that be gone by now since it has been driven on and off and sometimes daily since March?
From what I'm reading, bank 2 sensor 2 would be if there were two separate cats and the sensor would be on the drivers side. So does this vehicle have that sensor or is it a false reading from the software I use? (Scantool.net for Windows free edition)
My last question is, could it have anything to do with the DPFE or is it probably a coincidence that one started after the other?
I noticed some find it to be the intake gaskets, but I doubt it could be the intake gaskets as those were replaced in November of 2012 and around 10-12xxx has been put on since then.
Answers and any advice would be appreciated. Thanks in advance
Today, I crawled under it and the o2 sensor behind the cat (sensor 2?) was loose. Which brings me to my questions:
Could the O2 sensor have come loose when it backfired? It wasn't much popping but there was a little a couple times at WOT. It also is not stripped out.
Could the vehicle sitting for over a year have anything to do with the oil on the plug or would that be gone by now since it has been driven on and off and sometimes daily since March?
From what I'm reading, bank 2 sensor 2 would be if there were two separate cats and the sensor would be on the drivers side. So does this vehicle have that sensor or is it a false reading from the software I use? (Scantool.net for Windows free edition)
My last question is, could it have anything to do with the DPFE or is it probably a coincidence that one started after the other?
I noticed some find it to be the intake gaskets, but I doubt it could be the intake gaskets as those were replaced in November of 2012 and around 10-12xxx has been put on since then.
Answers and any advice would be appreciated. Thanks in advance
