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Stock JK Tech Bulletin board forum regarding issues with OE (original equipment) components of the Jeep JK Wrangler (Rubicon, Sahara, Unlimited and X) such as factory suspension parts, engine, transmission, body parts, interior fixtures and the on-board computer.
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View Poll Results: What's your odometer reading? Problems??
25,000
201
19.29%
50,000
261
25.05%
75,000
213
20.44%
100,000
152
14.59%
125,000
85
8.16%
150,000
76
7.29%
200,000
32
3.07%
250,000
14
1.34%
300,000
4
0.38%
350,000+ (please list if higher)
4
0.38%
Voters: 1042. You may not vote on this poll

This is a poll for the JK 3.8L V6 and it's engine longevity. Engine problems so far?

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Old 11-02-2011, 03:52 PM
  #11  
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2008 JKU
33,000 miles
No problems
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Old 11-02-2011, 03:53 PM
  #12  
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56788 miles, uses oil, puts a smile on my face every time i drive it. exhaust shield rattle.
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Old 11-02-2011, 03:54 PM
  #13  
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85k no problems
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Old 11-02-2011, 04:48 PM
  #14  
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2009 JK 55K had ECM replaced at 40K, dealer cover it under warranty. Check engine light came on took it by an auto parts store and borrowed a scan tool. Two codes came up; P 0038 ( heater control circuit high bank 1 sensor 2), and P 0155 (sensor heater circuit malfunction bank 2 sensor 1). After a couple of tries the dealer ended up replacing the ECM.
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Old 11-02-2011, 04:56 PM
  #15  
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2009 Just turned 57000 and doing good so far.
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Old 11-02-2011, 05:02 PM
  #16  
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Engine running good, pcm failed at 22,000 miles.
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Old 11-02-2011, 05:04 PM
  #17  
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Same with mine.
Originally Posted by Chris the plumber
2009 JK 55K had ECM replaced at 40K, dealer cover it under warranty. Check engine light came on took it by an auto parts store and borrowed a scan tool. Two codes came up; P 0038 ( heater control circuit high bank 1 sensor 2), and P 0155 (sensor heater circuit malfunction bank 2 sensor 1). After a couple of tries the dealer ended up replacing the ECM.
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Old 11-02-2011, 05:04 PM
  #18  
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21,000 and no issues.
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Old 11-02-2011, 05:08 PM
  #19  
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08 jku, 35k, no problems
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Old 11-02-2011, 05:27 PM
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2011 4k no problems
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