Wheel Speed Sensors? - Defender Source
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  #1  
Old June 13th, 2006, 12:46 PM
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Wheel Speed Sensors?

Greetings all,

My truck is subject to a persistent error code, P1317 - the Rough Road Sensor. I'm in the middle of trying to sort it out now. I've done a search and am following the advice I've read in previous threads. My question: why are there wheel speed sensors on my truck if it doesn't have ABS?

Thanks,

Spalding
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  #2  
Old June 13th, 2006, 02:26 PM
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Its part of what they call the "rough road detection system" and it feeds information into the GEM computer for the engine management.
I'm not syaing I garee with it being there... by that is why your 97 D90 has wheel sensors without having ABS.
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Old June 13th, 2006, 03:48 PM
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What would the effects be of removing them altogether. They are not cheap to replace.
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  #4  
Old June 13th, 2006, 05:17 PM
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Quote:
Originally Posted by Joe P
What would the effects be of removing them altogether.
Or maybe replacing them with a resistor - something - anything.
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  #5  
Old June 14th, 2006, 09:21 AM
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Try the search, its really cool and really works

http://www.defendersource.com/forum/...ighlight=P1317
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  #6  
Old June 14th, 2006, 10:56 AM
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Quote:
Originally Posted by mhansen
Try the search, its really cool and really works
Hello Mike,

Thanks for that reference. As I mentioned in my original post, I did do a search. The term I used was "1317", and it didn't bring up the post that you mentioned. The next time I do a search, I'll think to myself "Hmm, what search term would Mike use?" Then perhaps I can avoid bothering you with a question you've seen before.
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Old June 14th, 2006, 12:32 PM
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Spaldo,

No bother just didn't want to retype the whole thread. The P1317 code can be very frustrating to pin down and very expensive to have a dealer track down. Most LR Techs are no smater than the average bear either, and it has been almost 9 years since they were last imported. Dealer could replace all the wheel sensors brain and ECU before they solved the problem. They usually start with the most expensive part first and work down the list from there. The problem could reacure after thenext bump hit.

Good Luck

Mike

BTW I serched P1317 and all the threads came up.
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  #8  
Old June 15th, 2006, 10:21 PM
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What's the point of reminding folks to do the search? Most people who have used this list for a while do it and sometimes we don't guess right as to the magic search term and we get nothing. Sometimes we get nothing no matter if we pick the right term. And if someone posts a question that all the old hands have answered a million times before...then let it lay and maybe one of the newer guys or gals who is still fresh on the question will be inspired to answer...thereby fostering a new set of experts so the old experts can take a break! just my 2 cents.
George
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