CEL codes PO1294 and PO1492? - JeepForum.com

 
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post #1 of 11 Old 09-20-2010, 07:42 PM Thread Starter
MisfitSeven
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CEL codes PO1294 and PO1492?

cant find anything on either of these two codes. pulled these this morning.
TIA


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post #2 of 11 Old 09-20-2010, 08:00 PM
BEANS
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CODE: PO1294 - Can't get to target engine speed, check for vacuum leaks and idle speed motor issues.
PO1492 Ambient/Batt Temp Sensor Volts Too High

2001 SPORT 4.0 AUTO EMPTY GAS TANK
2 1/2"O.M.E. 1"Body LIFT
33" DUNLAP'S
JSK QUICK DISCONNECTS THAT I'LL NEVER DISCONNECT
LIMITED SLIP WITH 4.11'S FRONT AND BACK
S.Y.E
7'6" SNOWAY POLY PLOW
Elect Radiator fan on a Delta control
Borla Header, Catback Exhaust By Volant 304SS
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post #3 of 11 Old 09-20-2010, 08:05 PM Thread Starter
MisfitSeven
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i will clean the IAC tomorrow, this is most likely my problem for PO1294.
as for PO1492, is this that sensor under the battery with the spring, on the stock fenders? or is the battery temp sensed in the computer?

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post #4 of 11 Old 09-20-2010, 08:08 PM
BEANS
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under the Battery

2001 SPORT 4.0 AUTO EMPTY GAS TANK
2 1/2"O.M.E. 1"Body LIFT
33" DUNLAP'S
JSK QUICK DISCONNECTS THAT I'LL NEVER DISCONNECT
LIMITED SLIP WITH 4.11'S FRONT AND BACK
S.Y.E
7'6" SNOWAY POLY PLOW
Elect Radiator fan on a Delta control
Borla Header, Catback Exhaust By Volant 304SS
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post #5 of 11 Old 09-20-2010, 08:41 PM Thread Starter
MisfitSeven
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maybe the reason that code is popping up is because i threw it away when i put the new fenders on. sound about right? what is that sensor called? battery temp sensor?

i pulled 4 codes this morning:
PO320... crank sensor is 3 months old, would this be the cam sensor under the cap in the distributor?
PO138... i am guessing because i have no cat or rear O2 sensor that this is the cause of this code.
PO1294... clean the IAC...
PO1492... do i really need this sensor?

thanks for the help.

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post #6 of 11 Old 09-20-2010, 08:58 PM
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Quote:
Originally Posted by MisfitSeven View Post
maybe the reason that code is popping up is because i threw it away when i put the new fenders on. sound about right? what is that sensor called? battery temp sensor?
Yep. Get another one, plug it back in and tie it back to the wiring harness...
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post #7 of 11 Old 09-20-2010, 09:28 PM Thread Starter
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Originally Posted by Knuckelhead View Post
Yep. Get another one, plug it back in and tie it back to the wiring harness...
tie it to the harness... shouldnt it be sensing the temp of the battery... or does it just need to be hooked up?

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post #8 of 11 Old 09-21-2010, 05:26 AM
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You have no cat?...
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post #9 of 11 Old 09-21-2010, 05:35 AM
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I'm running a Catalytic converter. Just noticed my muffler is leaking, good excuse to buy a complete catback system. Headers to tail pipe.

2001 SPORT 4.0 AUTO EMPTY GAS TANK
2 1/2"O.M.E. 1"Body LIFT
33" DUNLAP'S
JSK QUICK DISCONNECTS THAT I'LL NEVER DISCONNECT
LIMITED SLIP WITH 4.11'S FRONT AND BACK
S.Y.E
7'6" SNOWAY POLY PLOW
Elect Radiator fan on a Delta control
Borla Header, Catback Exhaust By Volant 304SS
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post #10 of 11 Old 09-21-2010, 06:09 AM
Knuckelhead
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You all ready have the best exhaust manifold there is on your 2001, the OEM one...
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post #11 of 11 Old 09-23-2010, 04:58 PM Thread Starter
MisfitSeven
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Quote:
Originally Posted by Knuckelhead View Post
You have no cat?...
no. my exhaust is 60" long, from cylinder head to the tip of my tailpipe. for now...

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