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Author Topic: Problem with the Jeep  (Read 3151 times)

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Offline grumpygy

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Re: Problem with the Jeep
« Reply #30 on: July 04, 2015, 09:09:57 PM »
Same 3 codes today.

Quote
Ok got a code reader and had 3 codes

33 which I knew about.

42 ASD relay voltage

47 Charging output low
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94 YJ, Cool Air intake, 19lb Inj, 4.0 Throttlebody with spacer,  31/10.50/15's

Offline grumpygy

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Re: Problem with the Jeep
« Reply #31 on: July 11, 2015, 04:32:17 PM »
Replaced all the bad bulbs and alarm system removed.


Its been running 1/2 so far and working great. :brick:

Didn't really do anything.

Came in to get the code reader and see if anything new shows up.

Now I really don't trust it to drive.
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94 YJ, Cool Air intake, 19lb Inj, 4.0 Throttlebody with spacer,  31/10.50/15's

Offline grumpygy

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Re: Problem with the Jeep
« Reply #32 on: July 11, 2015, 04:52:46 PM »
Glad I did not go for a drive, problem is back.  same codes as before.
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94 YJ, Cool Air intake, 19lb Inj, 4.0 Throttlebody with spacer,  31/10.50/15's

Offline grumpygy

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Re: Problem with the Jeep
« Reply #33 on: July 11, 2015, 05:01:23 PM »
The code 47, what could be the problem with that.  I'm at a loss with 14.7 at the battery where is it testing this voltage that its low.
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94 YJ, Cool Air intake, 19lb Inj, 4.0 Throttlebody with spacer,  31/10.50/15's

Offline grumpygy

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Re: Problem with the Jeep
« Reply #34 on: July 12, 2015, 05:24:41 PM »
Ok pulled ecu and cleaned all connections left it unhooked for a couple of hours and left the Negative battery cable off too.

Codes cleared except 33 which never leaves.

  Still runs for a very short time then dies.  this time acting like fuel  lopes a couple of times and dies.  Did not have fuel pressure gauge hooked up will hook one up and try it again.  But why no codes.
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94 YJ, Cool Air intake, 19lb Inj, 4.0 Throttlebody with spacer,  31/10.50/15's

Offline bootguy

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Re: Problem with the Jeep
« Reply #35 on: July 13, 2015, 10:39:45 PM »
The code 33 is "AC clutch relay" but see if this works.

1. Turn the key to the on position as you said the check engine light does not come on.
2. Wait anywhere from 1 to 5 mins and the ASD (Automatic Shut Down) and Fuel pump relay will start clicking.
3. After about a min of that you should then hear the TPS turn on and the check engine light will come on and the Jeep should start.
4. if this is the case find out where the ASD was and ensure that it is removed completely.
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1994 Jeep Wrangler, 2.5L, automatic, 2.5" lift, 4:88 gearing, 33" tires, 2.5" exhaust from manifold back, air restrictor removed.

Offline grumpygy

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Re: Problem with the Jeep
« Reply #36 on: July 14, 2015, 06:31:15 AM »
Check eng light is work as it should now.  Bulb was bad.  Light comes on as soon as I turn the key.



Why should I remove the ASD will that not stop the jeep.



Also may have found my problem.   Fuel Pump, when I turn the key on I do not get much pressure maybe 10 PSI.  Takes several on off of the key to just get it up to 30.  Then if I start the jeep it will run for a short time and slowly lose pressure.  So the pump seems to be not working right.

  I do have the HESCO Fuel pressure Regulator in it so it should be higher than that.
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94 YJ, Cool Air intake, 19lb Inj, 4.0 Throttlebody with spacer,  31/10.50/15's

Offline Jeffy

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Re: Problem with the Jeep
« Reply #37 on: July 14, 2015, 07:20:26 PM »
Quote from: grumpygy on July 14, 2015, 06:31:15 AM
Check eng light is work as it should now.  Bulb was bad.  Light comes on as soon as I turn the key.



Why should I remove the ASD will that not stop the jeep.



Also may have found my problem.   Fuel Pump, when I turn the key on I do not get much pressure maybe 10 PSI.  Takes several on off of the key to just get it up to 30.  Then if I start the jeep it will run for a short time and slowly lose pressure.  So the pump seems to be not working right.

  I do have the HESCO Fuel pressure Regulator in it so it should be higher than that.
So you were wrong when you tried measuring the pressure before?
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"If the motor car were invented today, there is absolutely no way that any government in the world would let normal members of the public drive one."

Offline grumpygy

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Re: Problem with the Jeep
« Reply #38 on: July 14, 2015, 09:10:55 PM »
Must have been.


  Got one more question and a check.  Remember reading you could pull one relay ASD or fuel pump and bypass them to make sure it is the pump.  This would have the pump working all the time so its not a fix just a test.  Know which one and  where to put the 12v.
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94 YJ, Cool Air intake, 19lb Inj, 4.0 Throttlebody with spacer,  31/10.50/15's

Offline Jeffy

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Re: Problem with the Jeep
« Reply #39 on: July 15, 2015, 01:17:33 PM »
It's in the link from Page 2.
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My Jeep: http://4bangerjp.com/forums/index.php?topic=2783.0
"If the motor car were invented today, there is absolutely no way that any government in the world would let normal members of the public drive one."

Offline grumpygy

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Re: Problem with the Jeep
« Reply #40 on: July 15, 2015, 05:33:52 PM »
Quote from: Jeffy on July 15, 2015, 01:17:33 PM
It's in the link from Page 2.

Thanks that's not the one I was thinking of.  Think I found it Pull the ASD and feed 12v to where pin 87 goes that should do the same thing.  I hope.
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94 YJ, Cool Air intake, 19lb Inj, 4.0 Throttlebody with spacer,  31/10.50/15's
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