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Topic: Scorpio 2.3 -97 runns bad, Full thottle=3500-3900 (Read 983 times) |
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Jensen
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Scorpio 2.3 -97 runns bad, Full thottle=3500-3900
« on: Jun 12th, 2007, 7:21am » |
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Hello
I come from sweden and i discoverd this very nice site.
I have a problem whit my 2,3.
When i give thottle slow the engine revs to the top.
If I floor the the thottle it stops at 3500-3900 revs.
I have checked around on the site but didn´t find anything that looked like my problem.
Could i be the cat thats clogged? Or the fuel filter? I noticed a small hose running from the throttle house back to a clock on the valvecover. I guess it is for the vacum. The hose was lose so i reattached it to the clock but no change.
Could please someone help me? I hope you understand my bad english.
I can add that i have changed the plugs and checked the wires to the coils.
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Ford Scorpio 2,3 est 1997
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martin_rowe
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Re: Scorpio 2.3 -97 runns bad, Full thottle=3500-3
« Reply #1 on: Jun 12th, 2007, 8:47am » |
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Check cat & fuel pressure, if fuel pressure drops on hard acceleration suspect blocked fuel filter.
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Jensen
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Re: Scorpio 2.3 -97 runns bad, Full thottle=3500-3
« Reply #2 on: Jun 12th, 2007, 9:30am » |
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I will try this when i get of work. Do you know where the fuel filter is mounted? I looked in the PDF file on the fuel system but i didin´t quite make out where it is. I have looked everywhere in the enginebay but i can´t find it. I also followed the fuellines from the tank.
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Ford Scorpio 2,3 est 1997
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Jonnycab
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Former owner of 2.3 Ultima Facelift saloon
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Re: Scorpio 2.3 -97 runns bad, Full thottle=3500-3
« Reply #3 on: Jun 12th, 2007, 11:20am » |
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The fuel filter is mounted to the chassis above the rear near side (off side in your case) driveshaft 
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Jensen
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Re: Scorpio 2.3 -97 runns bad, Full thottle=3500-3
« Reply #4 on: Jun 12th, 2007, 12:23pm » |
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on Jun 12th, 2007, 11:20am, jonnycab wrote:| The fuel filter is mounted to the chassis above the rear near side (off side in your case) driveshaft |
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Thanks will run out and check this!
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Jensen
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Re: Scorpio 2.3 -97 runns bad, Full thottle=3500-3
« Reply #6 on: Jun 13th, 2007, 12:02pm » |
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Now i have changed the fuelfilter and checked the airfilter but nothing helps.
Any other ideas?
Could it be the MAF sensor that needs cleaning?
EDIT: Cleaned the MAF Sensor and no change.
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TiberiuS
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Ex. 1996 2.3 Ultima - RIP P789 KHJ
 
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Re: Scorpio 2.3 -97 runns bad, Full thottle=3500-3
« Reply #7 on: Jun 13th, 2007, 5:33pm » |
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Hi. What about the EGR valve? This might be an issue 
Could be a bad cat, have you checked them?
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Bruce - '07 Jaguar XKR coupe, '95 Jaguar XJ Sport 4.0, '82 Ford Capri 2.0 Ghia, '15 Honda Civic (sloooooww..)
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Pursche
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Hmmmmm.... My english is not good.
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Re: Scorpio 2.3 -97 runns bad, Full thottle=3500-3
« Reply #8 on: Jun 13th, 2007, 10:26pm » |
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I have a 24v from -96 and have a clogged cat(so said my Ford Garage). My car revs about 3000 maximum and I wait for a new cat from Germany. And as we say in sweden 'som ett brev på posten' as a mail from postoffice I got a balloned rad now. I know what to do with my next salary...... 
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Jensen
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Re: Scorpio 2.3 -97 runns bad, Full thottle=3500-3
« Reply #9 on: Jun 14th, 2007, 6:49am » |
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The Cat is next on list to check.
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scorpio_man
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Re: Scorpio 2.3 -97 runns bad, Full thottle=3500-3
« Reply #10 on: Jun 14th, 2007, 7:46am » |
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hi there
has the 2 rubber pipes blown off the exhaust manifold/egr pipework?
hth
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Jensen
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Re: Scorpio 2.3 -97 runns bad, Full thottle=3500-3
« Reply #11 on: Jun 14th, 2007, 8:52am » |
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on Jun 14th, 2007, 7:46am, scorpio_man wrote:hi there
has the 2 rubber pipes blown off the exhaust manifold/egr pipework?
hth |
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Hello
I haven´t checked this. Will run out and see.
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martin_rowe
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Re: Scorpio 2.3 -97 runns bad, Full thottle=3500-3
« Reply #12 on: Jun 14th, 2007, 8:55am » |
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there are so many things that could cause your faults, can you get an emission test done (4 gas not MOT, at idle & cruise speed) that should give a few pointers, even better in conjunction with a 'code' read & post results.
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Jensen
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Re: Scorpio 2.3 -97 runns bad, Full thottle=3500-3
« Reply #13 on: Jun 14th, 2007, 10:15am » |
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I will have the car on diagnostics on tuesday. Until then i have to drive a Sierra.
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Jensen
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Re: Scorpio 2.3 -97 runns bad, Full thottle=3500-3
« Reply #14 on: Jun 19th, 2007, 11:54am » |
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Did diagonstic test today and nothing appered. 
Checked the exhaust and it flows normal.
Looking for a MAF sensor and try to see if it is that.
EDIT: Canged the MAF sensor, now the car runns great again. 
Thanks for all the tips and help!!!
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