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  1. M

    1994 Explorer Sport O2 low voltage

    I've got a 94 Ford Explorer that has STFTRM1 number that jumps to 43 and sticks until the engine warms up then it starts tracking normally with STFTRM2. The B1 o2 sensor only ranges from .00-.03VDC while B1 o2 sensor is ranging normally from .01-.09 even after the engine is warm. I always get a...
  2. M

    ac operation check. are these pressures normal?

    It is inline coming from the condenser coils just inside the engine compartment. It sticks up off the line about 1.5 inches with a hex head on it and a small site glass in the center. I used to be able to see fluid moving through it then I noticed leak tracer on top of it one day and could no...
  3. M

    ac operation check. are these pressures normal?

    This is somewhat related...I have a 94 that has a busted in-line sight glass. Does anyone know where to get these? I don't know if it was an aftermarket add-on since I don't see it in any parts list for the system...Need to replace it before I can vacuum/charge the system.
  4. M

    Does anyone know what the AC high and low side pressure should be on a 94 Explorer?

    I know this thread is old, but I'm starting to work on my 94. The AC works and cools ok in mild weather, but it will soon be in the 100 degree range here and the first thing I noticed is the sight glass in the line on the drivers side next to the front of the chassis is busted and you can see...
  5. M

    How to replace 94 4.0L camshaft Position Sensor

    So...I'm working on the 214 code and I assumed it was due to the camshaft position sensor...wasn't sure why/how it was failed, but today while working on swapping O2 sensors, I discovered a 3 wire connector on the back, passenger side of the motor that had two of the 3 wires gnawed off (vehicle...
  6. M

    93 ranger cam sensor issue

    So...I'm working on the 214 code and I assumed it was due to the camshaft position sensor...wasn't sure why/how it was failed, but today while working on swapping O2 sensors, I discovered a 3 wire connector on the back, passenger side of the motor down that had two of the 3 wires gnawed off...
  7. M

    No acceleration after warm up

    All, Thanks for your input so far and the other content on these forums. Unfortunately, I haven't found a problem similar to mine that happens after a 20+ minute operation down the highway. Could this be a failing PCM after warm up? I remember a igniter module on a Dodge Colt that would only...
  8. M

    No acceleration after warm up

    Well - I followed those two threads and found nothing I could use in my situation. I'm suspecting a failing DPFE when the engine/operating temp gets high but I can't reproduce the failure when testing. The 327 will come back in after clearing the codes when I run it for a while - the 214 comes...
  9. M

    No acceleration after warm up

    Thanks! I'll check out the leads.
  10. M

    No acceleration after warm up

    Ok - After clearing codes, taking a trip to get it up to temperature and then let it set with the AC on for another 15 minutes, I've collected one new code - 327. So now I have 327 and 214. I did some checks on the DPFE sensor and the voltages/resistance all appear normal. Is there another...
  11. M

    No acceleration after warm up

    I did find a hit on similar symptoms, but only the header...the discussion wasn't available anymore. Wouldn't there be codes associated to the sensor if it were failing? I consistently only have the 214 code. I haven't put a monitor on it yet, but I guess I'll break down and buy one...
  12. M

    No acceleration after warm up

    Update...it also happens after about 10-15 minutes just idling...seems to be heat related... Any ideas?
  13. M

    No acceleration after warm up

    Replaced air filter and cleaned the MAF sensor. Didn't see an impact on throttle response and still have the 214 code. I ran around town today (no more than 4 miles or so between destinations) kept it in a lower gear to keep the rpms up to see if I could artifically cause the situation to occur...
  14. M

    No acceleration after warm up

    I'm not good at reading the flash codes, but the best I can tell it only shows a 214. This code comes on about 30 seconds after I start it and hasn't changed even after this problem.
  15. M

    No acceleration after warm up

    94 Explorer Sport, 4.0, manual trans - Driving short trips, everything works fine - acceleration, smooth running - after about 10 miles of highway driving at ~ 1500 RPM, it starts bogging down on hills and if I try to accelerate, it acts as if it's running out of gas. If I back off the...
  16. M

    Test A4LD Vac Modulator

    So I evidently don't have this particular problem as the fluid levels are fine and I don't detect any fluid at the vacuum tree hose end and engine oil has normal color/level. So...I will check vacuum at the hose end at the vacuum tree and see if it holds vacuum there...If I did have a vacuum...
  17. M

    a4ld tranny won't 1-2 shift.

    Unfortunately, I'm not sure what was adjusted. It was working and was being used daily for many months and then set up for almost a year without driving it. This is the state I found it in. I'm not sure about the modulater. I will check it and see. If so, is this something I can check/adjust...
  18. M

    Test A4LD Vac Modulator

    Would this failure to hold vacuum create a problem shifting from 1-2?
  19. M

    a4ld tranny won't 1-2 shift.

    All, I know this is an old thread, but I have a slightly different problem with the 1-2 shift...it doesn't. In drive, it will shift from 1-3 when I get up to RPM and let off the accelerator. It then shifts on through normally up to OD. If I manually select 2, it's as if it's in neutral - no RPM...
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