dejello
perpetually unconcious
- Joined
- July 4, 2002
- Messages
- 1,344
- Reaction score
- 1
- City, State
- College Station, TX
Every one remember this little gem popping up a few years ago for sale, and here recently as well?
As noted by this response,
The Texas crew decided to steal a gander at it. Upon everyday driving, and the constant CEL, it was apparent that there was a problem. Sluggishness, bogging down, basically, a pain to even want to drive at 45mph, if it'd stay at that speed...
Besides that, the gas milage was horrible. During much much painstaking (well, for me at least... I've learned alot more than I ever knew about the 1st gen explorer in the past 2 months) research, and other non-related problems around here, work began to get this thing running right. For some reason you just can't kill the old 4.0ohv...
After reading the codes myself (which were supposedly unreadable before we got it ) we had a place to start at. Pretty much every emissions device (at least it seemed) was throwing a code. What? Open the hood to find out they are not even present on the motor. Odd, right?
As noted before we bought it, the truck had been in a flood and the motor and tranny were replaced. As it turns out, not every '93 explorer was the same (I didn't know this before). This truck was originally a california truck, with california emissions. The "new" motor was not from a california truck. This explains the emissions parts not being in place. Through more research, we figured out that the PCM and wiring harness were the original ones (with the california set-up). We ended up getting another PCM (non-cali) and did some rewiring on the wiring harness to make it all work. Apparently it could be done. Problem not entirely solved. While this looked up for a minute, the truck still ran like crap. Many headaches occured as the wiring was checked and rechecked but everything was correct. I remembered during my research that the MAF was a possible source for an O2 related CEL code. Earlier today at work, I finally remembered to grab my aftermarket MAF from the old black '91 explorer and put it into the this one and wouldn't you know, the problems were solved! No sluggishness, and for the first time the truck drove at highway speeds! The other couple of issues that are left are minor and as soon as those can get fixed, this explorer will see the roadways again legally. Ah, the joy... During all of this, I replaced a defective tire (impact break in the sidewall) which had been "fixed" by inserting a tube in the tubeless style tire with one from the old black truck.
I will try to take a pic of the wiring mods to show you what I had to do. I ended up making an excel sheet with every wire labeled for both cali and non-cali setups so I could try to keep track of it all.
As noted by this response,
Trckmagik said:Thanks for the great sale
The Texas crew decided to steal a gander at it. Upon everyday driving, and the constant CEL, it was apparent that there was a problem. Sluggishness, bogging down, basically, a pain to even want to drive at 45mph, if it'd stay at that speed...
Besides that, the gas milage was horrible. During much much painstaking (well, for me at least... I've learned alot more than I ever knew about the 1st gen explorer in the past 2 months) research, and other non-related problems around here, work began to get this thing running right. For some reason you just can't kill the old 4.0ohv...After reading the codes myself (which were supposedly unreadable before we got it
) we had a place to start at. Pretty much every emissions device (at least it seemed) was throwing a code. What? Open the hood to find out they are not even present on the motor. Odd, right?As noted before we bought it, the truck had been in a flood and the motor and tranny were replaced. As it turns out, not every '93 explorer was the same (I didn't know this before). This truck was originally a california truck, with california emissions. The "new" motor was not from a california truck. This explains the emissions parts not being in place. Through more research, we figured out that the PCM and wiring harness were the original ones (with the california set-up). We ended up getting another PCM (non-cali) and did some rewiring on the wiring harness to make it all work. Apparently it could be done. Problem not entirely solved. While this looked up for a minute, the truck still ran like crap. Many headaches occured as the wiring was checked and rechecked but everything was correct. I remembered during my research that the MAF was a possible source for an O2 related CEL code. Earlier today at work, I finally remembered to grab my aftermarket MAF from the old black '91 explorer and put it into the this one and wouldn't you know, the problems were solved! No sluggishness, and for the first time the truck drove at highway speeds! The other couple of issues that are left are minor and as soon as those can get fixed, this explorer will see the roadways again legally. Ah, the joy... During all of this, I replaced a defective tire (impact break in the sidewall) which had been "fixed" by inserting a tube in the tubeless style tire with one from the old black truck.
I will try to take a pic of the wiring mods to show you what I had to do. I ended up making an excel sheet with every wire labeled for both cali and non-cali setups so I could try to keep track of it all.
