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Old 09-14-2007, 07:28 PM   #1
slowpokedotcom
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Trouble code P0720 on a 2000 WJ

Hey guys I know you get tired of hearing the same old problems but here I go, driving home from work today ( she was ) my wife calls me and tells me her jeep is broken ( ) so when I get to her ( I have a 98 ZJ ) it cranks fine but the engine light is on. We go to Autozone and this code comes up. I know what the part is but what I need to know is if the tranny has 2 or 1 and if it has 2 do I need to replace both the input and the output sensors . thanks for the help guys, maybe I can be helpful in the future. oh btw i got a neat trick for fixing broken window rollers without replacing the whole window regulator.

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Old 09-14-2007, 09:11 PM   #2
rm2001wj
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WJs come with a 42RE transmission when the engine is I6 and 45/545REF transmission when the engine is V8. Usually a good idea to give the model year and engine type when asking a question.

42RE has a single speed sensor

45/545RFE has two sensors and since they are not very expensive and are easy to replace, many replace place both sensors when one of them goes bad.
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Old 09-16-2007, 07:55 PM   #3
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My bad, about the year engine and model. Got the sensor from Advanced Auto Parts for 17 dollars, 200 Jeep GC Laredo WJ I6, thanks for the help
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Old 09-16-2007, 07:57 PM   #4
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2000 that is
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Old 09-16-2007, 09:36 PM   #5
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Quote:
Originally Posted by slowpokedotcom
2000 that is
I was going to ask, A 200 & you're still driving it? Great jeep
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