Discovery I Talk about the Land Rover Discovery Series I within.

wandering /high idle

Thread Tools
 
Search this Thread
 
Old Jan 7, 2014 | 07:04 PM
  #1  
TOM R's Avatar
Thread Starter
|
Baja
Joined: Mar 2009
Posts: 5,736
Likes: 230
From: south n.j. and ne va.
Default wandering /high idle

OK since I had the loss of my TPS due to a short ( which is fixed) I now have an odd idle problem sometimes I start and it shoots to around 2k other times 6/700 or 8/900 I am burning through fuel at an alarming rate and don't think it is totally due to the cold weather all sensors look normal

Have 0451,1447 codes for emisions ( waiting on new fuel sender) doubt they are causing it, any ideas??

Please, rather not have the engine grenade on warm up
 

Last edited by TOM R; Jan 7, 2014 at 07:43 PM.
Reply
Old Jan 7, 2014 | 07:41 PM
  #2  
fishEH's Avatar
Camel Trophy
Joined: Nov 2009
Posts: 4,079
Likes: 227
From: IL
Default

Your ECU might have to relearn the TPS, or have your adaptive values reset.
 
Reply
Old Jan 7, 2014 | 07:57 PM
  #3  
TOM R's Avatar
Thread Starter
|
Baja
Joined: Mar 2009
Posts: 5,736
Likes: 230
From: south n.j. and ne va.
Default

adaptive values means I am screwed cause that's why I got rid of the old ecu, no one around here can do it apparently not even the dealer
 
Reply
Old Jan 7, 2014 | 07:59 PM
  #4  
fishEH's Avatar
Camel Trophy
Joined: Nov 2009
Posts: 4,079
Likes: 227
From: IL
Default

The dealer should definitely be able to do it. The tech plugs into the ODBII port. 5 minutes later he's done. Couldn't be easier.
 
Reply
Old Jan 7, 2014 | 08:04 PM
  #5  
TOM R's Avatar
Thread Starter
|
Baja
Joined: Mar 2009
Posts: 5,736
Likes: 230
From: south n.j. and ne va.
Default

nope said they couldn't after they drilled the iac plug and turned the screw( I specifically told them not to) then charged me for messing it up worse, I ended up buying a ecm and plenum from u pull
 
Reply
Old Jan 7, 2014 | 09:35 PM
  #6  
fishEH's Avatar
Camel Trophy
Joined: Nov 2009
Posts: 4,079
Likes: 227
From: IL
Default

WTF the DEALER drilled and turned the screw!? We had a local guy that did that to his truck to band aid the real problem. In the end the new owner of the truck installed a new intake.
My advice is NEVER go back to that dealer, find a good Indy mechanic.
 
Reply
Old Jan 7, 2014 | 11:08 PM
  #7  
TOM R's Avatar
Thread Starter
|
Baja
Joined: Mar 2009
Posts: 5,736
Likes: 230
From: south n.j. and ne va.
Default

I have tried there are none and every euro shop I have asked says no rover

What is the cheapest scanner with the ability to reset the ecm?
 

Last edited by TOM R; Jan 8, 2014 at 12:04 AM.
Reply
Old Jan 8, 2014 | 06:26 AM
  #8  
ihscouts's Avatar
Camel Trophy
Joined: Jan 2010
Posts: 4,245
Likes: 402
From: Traverse City MI
Default

Black Box Solutions Nanocom but it's better suited for newer Rovers because of all it can do for them. It works for our antiques but not as much functionality for the price and aint cheap but it's less than an Autologic. If I'm not mistaken can't PT do the resets with the ECM off the truck?
 
Reply
Old Jan 8, 2014 | 09:19 AM
  #9  
TOM R's Avatar
Thread Starter
|
Baja
Joined: Mar 2009
Posts: 5,736
Likes: 230
From: south n.j. and ne va.
Default

.?

It has also been suggested voltage is my problem, I have only seen 14+ a few times on the ug usually around 13.5 +/- , cleaned terminals, replaced battery, checked grounds and added grounds, tried several alt, current one I had rebuilt so thinking it is the disco not the alt
 
Reply
Old Jan 9, 2014 | 10:14 PM
  #10  
ajnolin's Avatar
Mudding
Joined: May 2013
Posts: 243
Likes: 5
From: NE CT
Default

Did you ever get to the root cause of the high idle problem ? I had a chevy pickup that had the same issue, turned out to be a leaking TB gasket. Of course, the reason I ask is, my 98 D1 started doing the same thing today. Random high idle at startup, around 1500 -1800, when cold. Not all the time, but enough to be noticeable and annoying. Sometimes it settles in by itself after a few minutes, sometimes it won't and takes a couple restart cycles to get it back to normal. And when it does reach normal rpm, there's some hunting going on. I'm looking at TPS, VSS, MAF, fuel trim, 02, etc and everything looks normal for that level of RPM & temp. No apparent vacuum or intake gasket leaks. Cleaned IAC. Voltage is rock solid 13.6, on UG and verified with meter. Hope you have the silver bullet for this one cuz I'm stumped.
 

Last edited by ajnolin; Jan 9, 2014 at 10:17 PM.
Reply



All times are GMT -5. The time now is 01:06 PM.