1993 jeep cherokee 4.0 automatic, no first gear - Hot Rod Forum : Hotrodders Bulletin Board
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Old 01-31-2011, 08:41 PM
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1993 jeep cherokee 4.0 automatic, no first gear

I have a far from being a hot rod 93 jeep cherokee 4.0 with an automatic and 4x4. When in drive position its in 3rd and when dropped into the 1-2 position its in 2nd. I never slipped this all changed all of a sudden. Is there a sensor or wiring that could cause this? Any help is appriciated thanks.

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Old 02-01-2011, 04:51 AM
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Quote:
Originally Posted by fschevy
I have a far from being a hot rod 93 jeep cherokee 4.0 with an automatic and 4x4. When in drive position its in 3rd and when dropped into the 1-2 position its in 2nd. I never slipped this all changed all of a sudden. Is there a sensor or wiring that could cause this? Any help is appriciated thanks.
theres a couple things that could be causing this, based upon which trans it got from the factory,
1st though, is there a CEL on? if so, then you need to have it scanned for codes.
once you find that out, if it has codes, my guess would be, if it came with a toyota trans, then odds are its got a P0705, with the definition of check shifter signal. the interpretation of that is more than likely a faulty range sensor.

now, if it came with the dodge trans, and its not able to obtain 1st gear, that could be valve body related, or governor sensor and transducer.

by what your describing on the shifter (1-2 position), im thinking its got the toyota trans in it. post back with some further details, i.e. like if it has a CEL on, and whether or not you can tell if its got the toyota trans or the dodge trans in it.
the toyota pan is rectangular, with the range sensor on the passenger side of the case,
the dodge trans, will have 2 electric plugs on the driver side of the case, one plugs in from the side, just above the pan, and the other is right above it, behind the shift linkage.
post back when you can.
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Old 02-01-2011, 08:51 AM
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Not positive on the trans but i think it looks like the toyota as you discribed. Went out this morning to start the jeep and nothing now barely a click, battery has plenty of power and is new. The cel was not on but while I was turning key off and on I noticed the light flashed 5 times paused and 5 times again. Is that a code? and could my not starting problem be related? Its always started right up without any problems.
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Old 02-01-2011, 08:19 PM
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Quote:
Originally Posted by fschevy
Not positive on the trans but i think it looks like the toyota as you discribed. Went out this morning to start the jeep and nothing now barely a click, battery has plenty of power and is new. The cel was not on but while I was turning key off and on I noticed the light flashed 5 times paused and 5 times again. Is that a code? and could my not starting problem be related? Its always started right up without any problems.

its a possibility, i dont offhand know what a code 55 is. did you try starting it in neutral when it did this?
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Old 02-01-2011, 08:42 PM
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Yes I tried everything to get it started thinking it was in the neutral safety switch, but im thinking maybe the starter got some water in it while playing and just froze up after jumping the terminals on the starter several times with just clicking hopped inside and hit the key for it to fire right up. And has started easy since then so hopefully that problem cured itself. But as for the transmission its still acting up sometimes will drop into 1st while slowing down but does not take off in first and is sometimes slow to upshift also. Im going to check the tps as ive read it can cause the tranny to act up, but do you have any other suggestions to try?
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Old 02-02-2011, 04:30 AM
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have it scanned for codes with something other than a code reader, and check the fluid level and condition.
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Old 02-02-2011, 10:40 AM
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TPS is a common issue on that era Jeep. Code 55 means end of test. If that is the only flash code you have, it means the PCM did nit record a fault. Turn the key on and off 3 times, ending in the "on" position, and count the flashes. The sequence will always end with a 5-5 flash, end of sequence code.
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