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Old 08-20-2008, 05:21 PM   #1
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Code Problem - P1294

Idle speed. I changed out the IAC and I am still getting the code. It is a 98 TJ with a 2.5L. I am not getting bad gas mileage or anything just want to fix this code before I sell it. Any ideas? I looked around for a vacuum leak but got nothing.

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Old 08-04-2009, 12:57 PM   #2
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I have a 97 with the 2.5L and just got the same code. I'm pretty sure it's my MAP sensor ( I have one on order) because it has been making a whining noise, like it's got a pinhole in it and air is leaking. I've been going a couple weeks with it doing that until I figured out what it was so I ordered that. Today it threw the code, so i'm thinking it's the map sensor, i'll let you know when it comes in.

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Old 08-04-2009, 03:19 PM   #3
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I see P1296 and P1297 relate to MAP. To fix a P1294, there must not be a MAP sensor code or a throttle position sensor trouble code according to the service manual.
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Old 08-04-2009, 04:56 PM   #4
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Map

I would get a volt meter and check Sensor Resistance (Ohms) of map sensor and wiring to it before replaceing anything. Save you some $$$...
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Old 03-06-2011, 05:13 PM   #5
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hello does anyone have any guidance on diagnosing this problem, form what i can tell it causes an intermittent starting problem or no start, i have the code but is there any other issues that could cause this issue? thank you
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