A little feedback if it helps anyone else.
The issue was intermittent and returned worse than before and was very frustrating. I threw in the towel and brought it to a mechanic. He replaced the throttle position sensor and that fixed the problem. I didn't even see a TPS in the shop manual. Oh...
https://www.amazon.com/photos/shared/ZzOFX4rBTsigITXWBT3L1A.i5lStEhW0GSfKpIpDHSaQp
This is the end of the hose that I am pretty sure was supposed to be on the mystery part.
https://www.amazon.com/photos/shared/tBBZzBxJT-uduazSvnHECw.MJPpe2k8rxPwOd9TkQS8fz
The pickup is called SLOWDOC. I have a 500 horse power sports sedan that’s called FASTDOC. ?
https://www.amazon.com/photos/shared/d9lnBuVJQoKDG7hoAdjrTg.ixiP-KbvTqYHmSYap38Chb
There’s probably a better way to share pictures, but this is what I figured out so far. I thought you may enjoy seeing the old truck.
OK Ron, here’s an update.
Your information has been very helpful.
I went out to the truck, and started looking around for the sensor. Before I found the sensor, I found a disconnected vacuum hose!
I don’t know if this was there all the time, or if it’s something also that just happened...
Again Ron, I am grateful for your help. I think you will help me get to the bottom of this. I did change the PCV valve sometime ago, and it makes the normal rattling sound when I shake it but it is cheap maybe I could try another one.
I didn’t ask the mechanic to change the thermostat, I agree...
Even adjusting my expectations for how low the idle should be, it still occasionally stays too fast, 1000 RPM in gear. 1500 or so in neutral. But again, unpredictable.
Thank you for the thoughtful detailed and helpful reply! This brings up another thing I forgot to mention, at some point my mechanic replaced my thermostat with one that runs the engine at a cooler temperature. If I recall though, I had the idle issue before that change. Could that be part of...
Good morning friends. I’ve been a member this forum for a very long time but have not posted in a while. I need some help with my beautiful 1992 4.0 V6 four-wheel-drive automatic transmission Ranger. It has 112,000 miles, and does not get used very much. I have other vehicles that I use most...
Good afternoon gentlemen. Thank you in advance for your help. I have been a member of this form for many years, but have not been active. I have a 1992 ranger 4.0 V6 four-wheel-drive. As of late, on cold mornings (still above freezing) it will Idle eratically, and sometimes high. When I put it...
Hello guys, thanks in advance for your help.
1992 Ranger STX Extended Cab 4X4 4.0V6 A4LD 106,000 miles.
The ratchet that reclines the seat on the drivers side is failing, and the passenger side is not far behind.
If I lean back too hard the ratchet slips and the seat reclines. Annoying and...
I did a search and did not find the info I was looking for. The shop manual I have was not much help either.
I need to replace the right turn signal indicator bulb (the green arrow on the instrument panel) and need to know how.
Do I have to pull the dash apart? Any idea off hand which bulb I...
Need some help fellas. My Haynes manual does not seem to address this.
I have a 1992 SLT 4X4 A4LD 4.0 with a BW 1354 (I think). It's the one with the electric transfer case motor. 97,000 miles.
It's been in 4WD the past week due to lots of snow, and it warmed up and I tried pushing the button...
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