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Unread 09-12-2013, 09:27 PM   #1
kjonesie
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1983 CJ7 
 
Join Date: Dec 2012
Location: Bryant, Arkansas
Posts: 123
Howell "44" flash

My check engine light came on today and it was a code 44 (lean O2 sensor). Could this be because I just installed a cold air intake. I always thought the filter I had was restricting air flow. Will the computer "learn" and fix this?

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Unread 09-13-2013, 07:20 AM   #2
gmakra
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1985 CJ7 
 
Join Date: Jun 2008
Location: Chicago area
Posts: 2,893
Probably nothing to do with the cold air intake. Check your wiring and see if you have a lose connection otherwise its probably time to replace the O-2 sensor.

The cold air intake is negated by the heated manifold so you wont see any real performance gains.
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Unread 09-13-2013, 09:08 PM   #3
kjonesie
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1983 CJ7 
 
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I dont have a heated manifold
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Unread 09-14-2013, 04:02 AM   #4
Dougyfreshh
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1985 CJ7 
 
Join Date: Nov 2010
Location: South Gate, CA
Posts: 40
02 sensor is going bad causing a lean code
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Unread 09-14-2013, 06:07 AM   #5
gmakra
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Why dont you have a heated manifold?
I know it sounds counter productive to a cold air charge however it ready does help keep the fuel in suspension in the manifold.
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Unread 09-19-2013, 10:17 PM   #6
kjonesie
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1983 CJ7 
 
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Location: Bryant, Arkansas
Posts: 123
I replaced the O2 sensor and that seemed to solve my problem. Are Offenhauser intakes heated?
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Unread 09-20-2013, 05:58 AM   #7
gmakra
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1985 CJ7 
 
Join Date: Jun 2008
Location: Chicago area
Posts: 2,893
If you have the heater hoses hooked up to the manifold yes you have a heated manifold.
The Offy and Cliford manifolds do not have provisions for the electric heater.
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Unread 09-20-2013, 06:22 AM   #8
kjonesie
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1983 CJ7 
 
Join Date: Dec 2012
Location: Bryant, Arkansas
Posts: 123
I don't have the heater hoses hooked up either.
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