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Author Topic: no start jeep!  (Read 1869 times)

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j33p3r4x4

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no start jeep!
« on: February 25, 2006, 07:35:08 PM »
1991 2.5L Wrangler: We have completely rebuilt the engine, new pistons, valve job, new cam, water pump, added a throttle body spacer, new coil and plug wires. After putting it back together, it will not start. We have also replaced the fuel pump, and CPS. The timing is correct, we were 180 out and fixed that but still nothing. The ASD relay checks ok on the ohm meter.

Anybody have any good ideas??

Any help would be greatly appreciated!!
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Offline Jeffy

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no start jeep!
« Reply #1 on: February 25, 2006, 08:19:23 PM »
Any codes being thrown up?
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j33p3r4x4

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no start jeep!
« Reply #2 on: February 25, 2006, 08:47:30 PM »
12 & 33
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bigbrad_4x4

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no start jeep!
« Reply #3 on: February 25, 2006, 10:54:55 PM »
In my Haynes repair manual, a code 12 says the battery power to the PCM is disconnected, and a code 33 says the A/C clutch relay is havin a problem.  I could only find code 12 listed under 1997 and later models though.
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j33p3r4x4

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no start jeep!
« Reply #4 on: February 25, 2006, 11:24:13 PM »
we have the haynes manual as well and dont know what it means the jeep doesnt have AC thanks for looking
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Offline Jeffy

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no start jeep!
« Reply #5 on: February 26, 2006, 11:55:24 AM »
It means it does not read a signal from the A/C relay because it's not there.  It's 100% normal.
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Youtube Channel: https://www.youtube.com/channel/UCZNlr60GXH5OlKIFrT7P6mg
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."

SMC4WD

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no start jeep!
« Reply #6 on: February 26, 2006, 12:01:14 PM »
Doesn't the 33 code come up all the time (if you don't have A/C)?  

I know it does for me, and I just ignore it.  

And I'm guessing here, but if the battery has died, or been disconnected, it'll throw that 12 code.

All this doesn't help you, does it?  Because the answers I just gave you makes it sound like nothing's wrong.
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j33p3r4x4

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no start jeep!
« Reply #7 on: February 26, 2006, 04:06:08 PM »
ok it runs now. we took it for a test drive and it feels like it has no power. it burps and farts when you give it gas any ideas?
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bigbrad_4x4

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no start jeep!
« Reply #8 on: February 26, 2006, 04:47:45 PM »
I think your fuel injectors might be clogged up or crud in your fuel lines.  I'd try addin some fuel system cleaner stuff and see if that helps any.
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Offline Jeffy

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no start jeep!
« Reply #9 on: February 26, 2006, 05:05:40 PM »
I'd probably check the fuel filter.  Especially if it's original.
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Youtube Channel: https://www.youtube.com/channel/UCZNlr60GXH5OlKIFrT7P6mg
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."

j33p3r4x4

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no start jeep!
« Reply #10 on: February 26, 2006, 05:12:53 PM »
just replaced that and the fuel pump
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