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Old 09-20-2012, 03:53 PM   #1
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P0107 Check Engine Light on 98 Sahara

So I have done a bunch of searches on the PO107 MAP error code and not sure what direction to take. My local mechanic wants to just replace the MAP sensor which I told him to do. I am just worried that if that's not the problem what else to check.

In further reading, I found a post where someone was talking about bringing a Jeep from Arizona to high altitude, well that's exactly my situation.
My 98 came from Arizona and now it's in Telluride, CO elevation 9800 feet.

I don't notice any issues when driving the car though.

Steven

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Old 07-24-2013, 01:24 PM   #2
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Location: Montrose, Colorado
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Quote:
Originally Posted by kuau View Post
So I have done a bunch of searches on the PO107 MAP error code and not sure what direction to take. My local mechanic wants to just replace the MAP sensor which I told him to do. I am just worried that if that's not the problem what else to check.

In further reading, I found a post where someone was talking about bringing a Jeep from Arizona to high altitude, well that's exactly my situation.
My 98 came from Arizona and now it's in Telluride, CO elevation 9800 feet.

I don't notice any issues when driving the car though.

Steven

My 97TJ had same problem, I moved from Atl,Ga to Montrose,CO. When I wheeled offroad in hi altitude my CEL came on and it ran rich and sluggish + it pingged alot at any altitude, I had to run it on premium fuel.
I changed 3 sensors (Map,throttle position,& idle air valve)& cleaned throttle body..NO CHANGE still code p0107
I read on a forum somewhere about a similar problem and it said to go to dealer and have TSB #180800 flashed PCM (up date computer software)performed.
I had this done and it took care of my problem
Runs great, back on reg. gas no or very min. ping.
Best $150. that I have spent.
Hope this helps others. Rob

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Old 07-24-2013, 03:14 PM   #3
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Thanks for the tip,
I took my Jeep down to the Montrose dealers and they did they did the firmware upgrade, light has not come on since.
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