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Engine Light


 
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Mauibob
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Joined: 05 Oct 2005
Location: Maui, Hawaii, USA

PostPosted: Wed Oct 05, 2005 5:54 pm    Post subject: Engine Light Reply with quote

I have a 4 cylinder 2.5 liter, 1995 Jeep Wrangler with 60,600 miles. The engine light came on and after doing the diagnostic indicated the codes of 12,33, and 21. Can you tell me what these codes mean and what I need to do to repair the jeep?
Thank you, Bob
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Pacific Villa, Maui, Hawaii
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parpac316
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Joined: 11 Oct 2005

PostPosted: Tue Oct 11, 2005 6:15 pm    Post subject: Reply with quote

http://www.jedi.com/obiwan/jeep/dtc.html
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95 Sahara
BDS Lift
33X12.5 Super Swamper SSR
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Slip yoke eliminator
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shvlhd666
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Joined: 01 Jan 2005

PostPosted: Mon Oct 17, 2005 4:49 pm    Post subject: Reply with quote

12= battery has been disconnected within the last 50 key-on cycles.

33= an open or shorted condition detected in the A/C clutch relay circuit.

21= neither rich or lean condition detected from the oxygen sensor input.
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expendable
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Joined: 27 Dec 2005

PostPosted: Fri Dec 30, 2005 12:57 pm    Post subject: Reply with quote

My experience with code 33: I had a code 33 because my spedo sensor wasn't hooked up at the T-case. I was waiting for the kit for my new tcase.
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92 YJ 4.5" RE, 33 MTR's, 4.10's, 4.0 I6, Borla header, Flowmaster catback, JB Conversions np231HD w/ SShort Sye. No carpet.

01 XJ 4.5" RE, 32 MT's, 3.55's, 4.0 I6, RE Sye, Flowmaster cat back, ARB bumper, roof rack
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93jeepyj
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Joined: 14 Jan 2006

PostPosted: Sat Jan 14, 2006 3:49 pm    Post subject: Reply with quote

shvlhd666 wrote:
21= neither rich or lean condition detected from the oxygen sensor input.


and yeah.... just need to replace the o2 sensor... pretty easy/cheap to fix Very Happy
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