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Topic: Engine not acheiving temperature (Read 534 times) |
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mikej
Newbie
 
Posts: 11
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Engine not acheiving temperature
« on: Oct 29th, 2005, 7:28pm » |
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Hi All,
I'm now on my second Scorpio 2.3 Ultima Auto estate and have a problem with the day to day running of the car
I drive approx 17 miles each way to work (most of which is clear-running motorway) during which engine doesn't get anywhere near running temperature i.e. mid-scale. it will creep up slightly but not leave the 'blue zone'
If I'm stuck in heavy traffic for a long time though it will creep up, only to go back down when I'm 50 mph or more. It is really sluggish and not as sharp on acceleration as my previous one. It also seems heavy on fuel. I'm getting around 270miles per full tank.
I have held-down the trip button on the dashboard to check the engine temperature and it corresponds with the level on the gauge. so I'm pretty sure the gauge is not lying. It also flips to full-scale when I switch off and on.
When I first got the car, I had a full service in which I specified the coolant to be changed (since my last scorp blew a head-gasket). I was wondering whether the coolant was too efficient? or maybe the Thermostat was stuck full-open?
I was wondering whether anyone else has experienced this? or could provide some clues as to where I could look. 
I also have a really wired vibration when I am braking between 50mpg to 40mph. All other speeds are fine. Is this warped front-discs? or something more sinister?
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Scorpio Ultima Estate 2.3 Petrol
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Highlander
Moderator
Expert
13 Scorpios, XR4x4, Suzuki SJ413 for off road :)
Posts: 8244
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Re: Engine not acheiving temperature
« Reply #1 on: Oct 29th, 2005, 7:49pm » |
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My moneys on either the thermostat being stuck open or missing altogether 
Can you see water being pumped back into the coolant reservoir as soon as engine is started from cold? dont check it when its hot!!
p.s. dash needles flicking up and down on start could be the battery/alternator problem
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on Oct 17th, 2011, 12:35pm, Simmo wrote:I give up !  Too much for an old boy! |
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David_South_West
Full Member
24V............ .Goodness
Posts: 188
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Re: Engine not acheiving temperature
« Reply #2 on: Oct 29th, 2005, 7:49pm » |
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It looks as if you do have a thermostat problem
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solarpanel
Full Member
I love YaBB 1G - SP1!
Posts: 551
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Re: Engine not acheiving temperature
« Reply #3 on: Oct 29th, 2005, 8:10pm » |
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you say its sluggish is the cat ok,ive got one and looking in the papers that came with it ,its had a couple of sender units and thermostats awell,take off the top hose and see if the stats in it.
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David_South_West
Full Member
24V............ .Goodness
Posts: 188
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Re: Engine not acheiving temperature
« Reply #4 on: Oct 29th, 2005, 8:45pm » |
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Re vibration
if the vibration is only there when you brake suspect front disks or front suspension bushes.Just to confirm try easing on the handbrake at 40 to 50 mph just in case any thing is wrong at the rear end.
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Highlander
Moderator
Expert
13 Scorpios, XR4x4, Suzuki SJ413 for off road :)
Posts: 8244
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Re: Engine not acheiving temperature
« Reply #5 on: Oct 29th, 2005, 8:54pm » |
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on Oct 29th, 2005, 8:45pm, David_South_West wrote:| try easing on the handbrake at 40 to 50 mph just in case any thing is wrong at the rear end. |
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Dont try it near me!! lol
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on Oct 17th, 2011, 12:35pm, Simmo wrote:| I give up ! Too much for an old boy! |
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David_South_West
Full Member
24V............ .Goodness
Posts: 188
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Re: Engine not acheiving temperature
« Reply #6 on: Oct 29th, 2005, 9:23pm » |
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I did say ease it on ...lol 
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mikej
Newbie
Posts: 11
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Re: Engine not acheiving temperature
« Reply #7 on: Oct 30th, 2005, 11:56am » |
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Cheers Guys will have a look in to these items asap.
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Scorpio Ultima Estate 2.3 Petrol
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ScorpioInDK
Junior Member
Happy owner of 2,9 12v
Posts: 56
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Re: Engine not acheiving temperature
« Reply #8 on: Nov 1st, 2005, 11:04am » |
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I have the same problem on my 2,9 12V..
The needle never gets to "the horisontal" position (9 o“clock)..Only when stuck in traffic it rises.
Is this a problem for the engine? What are the consequences?
How to solve it?
Regards ScorpioInDK
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Pursche
Newbie
Hmmmmm.... My english is not good.
Posts: 26
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Re: Engine not acheiving temperature
« Reply #9 on: Nov 1st, 2005, 6:00pm » |
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my 12v -96 wanted more fuel, 35% or so. I also had problems with the autobox lock up. After refitting a new thermostad the problem is solved. Changing it on my engine took me 30 mins.
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ScorpioInDK
Junior Member
Happy owner of 2,9 12v
Posts: 56
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Re: Engine not acheiving temperature
« Reply #10 on: Nov 4th, 2005, 10:02am » |
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Do anybody know how much is a new thermostat..?
And is it easy to install? Where is i placed on a 2.9 12V
Hope to hear from you..
Have a nice friday
ScorpioInDK
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ScorpioInDK
Junior Member
Happy owner of 2,9 12v
Posts: 56
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Re: Engine not acheiving temperature
« Reply #11 on: Nov 4th, 2005, 10:02am » |
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(where is it placed?)
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ScorpioInDK
Junior Member
Happy owner of 2,9 12v
Posts: 56
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Re: Engine not acheiving temperature
« Reply #13 on: Nov 4th, 2005, 1:46pm » |
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Thanks a lot.. It seems easy to do..A nice weekend job
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