momentary loss of power
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Recovery Vehicle
Joined: Oct 2008
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momentary loss of power
so on my way to work this morning as i was driving along at about 55 my rover felt like it lost power for a few seconds... just kinda dropped down about 1000rpms... then with out me giving it any more throttle it went back up... it had done this sunday also, exact same thing... any ideas what this may be? 97 disco 1 with 154000 miles...
RE: momentary loss of power
VSS
Vehicle Speed Sensor, it is the govenor for the truck, when it goes bad it cuts engine power to slow you down. It is common on DI's for it to go bad, discoweb.org has a good write up on it on their tech page.
This is assuming that all else is good of course.
Vehicle Speed Sensor, it is the govenor for the truck, when it goes bad it cuts engine power to slow you down. It is common on DI's for it to go bad, discoweb.org has a good write up on it on their tech page.
This is assuming that all else is good of course.
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Recovery Vehicle
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RE: momentary loss of power
seems a very simple fix... hopefully thats it... i'll keep everyone updated... now i just have to order the part, the nearest rover dealer to me is almost 2 hours away...
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Last edited by discoxd; Aug 15, 2011 at 02:33 PM.
Recovery Vehicle
Joined: Feb 2008
Posts: 939
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From: Hazlet, NJ
RE: momentary loss of power
My truck did something similar a few weeks ago, and I traced it back to the tranny. Did a flush and refill and all is fine now. Try checking your fluid too.
Gotta love cheap quick fixes
Gotta love cheap quick fixes
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Recovery Vehicle
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RE: momentary loss of power
yeah i have put a couple hundred miles on her this past week... this weekend some serious work is gettin done though, i got my rovertym lift in yesterday and new brakes on order... so while i am under there i think i will change all my fluids too, diffs, tranny, engine, all of it...
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Last edited by discoxd; Aug 15, 2011 at 02:34 PM.
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Recovery Vehicle
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RE: momentary loss of power
the lift kit was my birthday present to myself... rovertym ships fast though i will give them that... it got shipped thursday and was here yesterday... so it only took like 3 or 4 days to come in...
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Last edited by discoxd; Aug 15, 2011 at 02:34 PM.
Mudding
Joined: Sep 2008
Posts: 138
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From: Dallas, Tx
RE: momentary loss of power
Def new VSS time. It will get worse too. My disco would get so bad that it would buck and surge and I couldnt even drive it over 35-40mph. New VSS cured it. Also make sure the VSS harness isnt melted from exhaust heat, mine was laying on the exhaust when I bought it,so the covering melted to the wiring inside (probably the main issue). VSS is held in by one allen bolt (3/16ths).
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Recovery Vehicle
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RE: momentary loss of power
anyone know off-hand where to get a vss besides the dealer... i really dont feel like drive 170 miles to pick one up..
is this the part? http://www.roverparts.com/Parts/YBE100540G.cfm
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is this the part? http://www.roverparts.com/Parts/YBE100540G.cfm
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Last edited by discoxd; Aug 15, 2011 at 02:34 PM.
