Mikerizer
Hero Member
- Make
- Ford
- Model
- Explorer, Eddie Bauer Edition
- Year
- 2000
- Miles
- 247,000
- Engine
- 5.0
2000 Ford Explorer 5.0L, Eddie Bauer Edition; Automatic 2WD, 247k miles
Lots going on here. This my brother's truck, and he's flat broke, so I'm trying to help him out. It was setting P0303, P0171, and P0174.
We looked all over for vacuum leaks. I removed the large tube between the MAF and the throttle body, and sure enough, there was about a 1 1/2 in crack in one of the folds. Not having a replacement part available, I cleaned it up and wrapped it tightly with electric tape, making sure to get down in the crease, and over the ridges on both sides...probably 12-15 layers in all. So, I'm pretty confident that leak is stopped.
We did a PCM reset, according to some instructions that seem reputable:
1. Clear CEL codes
2. Turn off lights, A/C, etc.
3. Disconnect negative battery cable and isolate negative battery terminal
4. Place a jumper wire between positive battery cable and negative battery cable; leave hooked up for 10 minutes
5. Restore batter connections
6. Turn key on, but do not crank. Hold for 10 seconds
7. Start motor, and allow to idle for 10 minutes
8. Drive normally for 10 minutes to relearn
The truck idled great during step number 7 above, but drove very roughly. Very sluggish, loped real bad at idle. It was way worse than before. Finally the CEL came on with the following codes: P1131, P1151, P0171, and P0174...each code was in there twice, for a total of 8 codes. The P1131 and P1151 were new codes not set before.
One concern I have is that the temperature gauge isn't working at all. My brother's father-in-law put a new temp sending unit on it the other day, at my suggestion. The only difference is that the AC started working perfectly after that. QUESTION: Does this truck have ONE or TWO temperature sensor/sending units?
Also, since he put the temp sensor on, the tachometer has been working only intermittently.
So, would the faulty temp and flaky tach set the P1131 and P1151 codes, and could they affect the P0171 and P0174 (or should I look for more vacuum leaks)?
We looked for arcing with the lights out, and the plug wire on the third cylinder on the DRIVER side is arcing...but isn't that cylinder #7, not 3?
Finally, the passenger side motor mount may as well not even be there...got one of those ordered. Hopefully not a big job; going in through the passenger wheel well.
Thanks for reading all my ramblings, and thanks for your advice.
--Mike
Lots going on here. This my brother's truck, and he's flat broke, so I'm trying to help him out. It was setting P0303, P0171, and P0174.
We looked all over for vacuum leaks. I removed the large tube between the MAF and the throttle body, and sure enough, there was about a 1 1/2 in crack in one of the folds. Not having a replacement part available, I cleaned it up and wrapped it tightly with electric tape, making sure to get down in the crease, and over the ridges on both sides...probably 12-15 layers in all. So, I'm pretty confident that leak is stopped.
We did a PCM reset, according to some instructions that seem reputable:
1. Clear CEL codes
2. Turn off lights, A/C, etc.
3. Disconnect negative battery cable and isolate negative battery terminal
4. Place a jumper wire between positive battery cable and negative battery cable; leave hooked up for 10 minutes
5. Restore batter connections
6. Turn key on, but do not crank. Hold for 10 seconds
7. Start motor, and allow to idle for 10 minutes
8. Drive normally for 10 minutes to relearn
The truck idled great during step number 7 above, but drove very roughly. Very sluggish, loped real bad at idle. It was way worse than before. Finally the CEL came on with the following codes: P1131, P1151, P0171, and P0174...each code was in there twice, for a total of 8 codes. The P1131 and P1151 were new codes not set before.
One concern I have is that the temperature gauge isn't working at all. My brother's father-in-law put a new temp sending unit on it the other day, at my suggestion. The only difference is that the AC started working perfectly after that. QUESTION: Does this truck have ONE or TWO temperature sensor/sending units?
Also, since he put the temp sensor on, the tachometer has been working only intermittently.
So, would the faulty temp and flaky tach set the P1131 and P1151 codes, and could they affect the P0171 and P0174 (or should I look for more vacuum leaks)?
We looked for arcing with the lights out, and the plug wire on the third cylinder on the DRIVER side is arcing...but isn't that cylinder #7, not 3?
Finally, the passenger side motor mount may as well not even be there...got one of those ordered. Hopefully not a big job; going in through the passenger wheel well.
Thanks for reading all my ramblings, and thanks for your advice.
--Mike