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post #1 of 8 Old 04-07-2006, 04:51 PM Thread Starter
Jeepthing88
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Exclamation Trouble Code Trouble!!!

i was working on my sisters car today when i decided to take the few seconds to check my 94 cherokee for any trouble codes. well this time i came up with one...it was 13...after looking it up if found that it was "Fault in the map sensor pneumatic circuit".....ok...so now i know what the problem is...or atleast what its called...does anyone know exactly what this is and can explain it in simple terms...i know its something about how the engines running from start and once its started. but that doenst help much and doenst tell me how to fix it. thanks for all your help

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post #2 of 8 Old 04-07-2006, 04:55 PM
Matt Gertsch
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That means that it is time to replace to MAP. Check the vacuum lines to it first though.

Derpy Hooves for President in 2012
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post #3 of 8 Old 04-07-2006, 05:31 PM Thread Starter
Jeepthing88
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thats exactly waht i needed to know...thanks.......but could you explain exactly what this thing is...what it does..and of course where do i find it
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post #4 of 8 Old 04-07-2006, 07:33 PM
jv3kxj
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MAP sensor = Manifold Absolute Pressure sensor. look here http://www.autozone.com/servlet/UiBr...ction=loadPage
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post #5 of 8 Old 04-07-2006, 07:34 PM
jv3kxj
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sorry bout the link but here's what is says;

On your 1994 JEEP CHEROKEE 4WD, the M.A.P. SENSOR is:




UNDER HOOD, CENTER, REAR ENGINE AREA, MOUNTED ON UPPER FIREWALL
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post #6 of 8 Old 04-07-2006, 07:43 PM
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e-mail me and I'll send you a pic
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post #7 of 8 Old 04-07-2006, 08:08 PM
Matt Gertsch
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Go buy a Chilton's. If you're a newb at working on vehicals, it'll be the best $12 you can spend.

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post #8 of 8 Old 04-08-2006, 03:32 PM Thread Starter
Jeepthing88
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thanks alot ill do that
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