where to find a throttle position sensor? - Page 2 - Defender Source
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  #21  
Old May 9th, 2014, 01:43 PM
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John B.
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The design of this stuff all pre-dates OBD.
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  #22  
Old May 9th, 2014, 02:06 PM
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Phillip
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THe plug is different from the sensor on my Classic, why not just splice the plug to a new RRC TPS
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  #23  
Old May 9th, 2014, 02:07 PM
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Quote:
Originally Posted by leastonce View Post
and as such they can be easily tested and verified for correct operations.
Yes, they get dead spots on them
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  #24  
Old May 9th, 2014, 02:09 PM
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James Wallace
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The early 90's stuff was actually OBD I, not II. Didn't have all the body sensors. After all the disasters with Digifants that most european cars had, mostly centered around the throttle sensor, which where all potentiometers, everybody ran from them to no contact Hall units. On the plus side, it is far easier to adapt anybody else's unit if it is a potentiometer. Aside from mechanical fit issues, you can trim them externally to match, not always, but frequently. They are also easy to replicate with PIC's. Something a lot of vintage Digifant equipped cars have had to do.
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  #25  
Old May 9th, 2014, 02:10 PM
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Quote:
Originally Posted by evilfij View Post
Yes, they get dead spots on them
this, my classic would cutout at 47-51 mph
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  #26  
Old May 9th, 2014, 02:12 PM
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The system dates back to the 87 range rover. As far as I can tell, the two sensors are the same other than the plug.
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  #27  
Old May 9th, 2014, 04:55 PM
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Brian Jones
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Quote:
Originally Posted by rover4x4 View Post
THe plug is different from the sensor on my Classic, why not just splice the plug to a new RRC TPS
I've tried splicing a round plug to a flat plug without success.
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  #28  
Old May 9th, 2014, 10:00 PM
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Quote:
Originally Posted by Z.G View Post
Come on... Microcat for a NAS Defender, you know better!
Microcat isn't even accurate for D1's...
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  #29  
Old May 10th, 2014, 01:04 AM
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Originally Posted by Jymmiejamz View Post
Microcat isn't even accurate for D1's...
You can't use microcat for any North American specific truck, even RRC
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  #30  
Old May 10th, 2014, 09:40 AM
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Quote:
Originally Posted by Z.G View Post
You can't use microcat for any North American specific truck, even RRC
Now that I think of it, a lot of times its wrong for newer Land Rovers. Nothing we can do about that, but the parts guys always use the books when looking up parts for pre-'99 trucks.
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  #31  
Old May 10th, 2014, 09:46 AM
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It is wrong a lot, but it's great for ROW and UK Defenders for the most part. But even the real early stuff can be iffy. Luckily when dealers call for parts they usually have a part number(s) ready.
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  #32  
Old February 12th, 2015, 08:34 AM
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Reopening this thread as prepping for WR finally plugged the computer on to my D1 engine. Pointed to the tps.
Having choked on replacement cost tracked down a bad wire. Fixed. Dam if the mysterious misfire like symptoms that have bugged me for months didn't disappear. Start up in low temps much improved to.
Has anyone tracked down this part in any other vehicle?
Choking on the numbers I've seen for err2263.
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  #33  
Old February 12th, 2015, 08:46 AM
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Edit..posted earlier..
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