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Topic: still got problems (Read 1340 times) |
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cscars1
Newbie
2.0 scorpio owner and proud of it
Posts: 32
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still got problems
« on: Nov 18th, 2006, 10:19pm » |
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hello
io have a 96 scorpio 2.0 16v
i asked on here about my car surging when driving
so far i have changed the fuel filters
changed the plugs
rewired the ford's clever idea of running the loom over the engine after it melted
but still when i am driving the car feels like it is missing a little , as i say i have renewed the parts that would cause this but to no avail the leads seem ok and the two coil packs seem ok
problem in detail
the car starts up ok runs ok but sometimes the car seems to have a misfire or holds back when driving , under power , its ok but if you ease off or sit at a constant speed the car seems like it missing a beat
does not do this al the time though which makes it more strange
car does feel sluggish and not responcive as i think it should
iany suggestions will be great
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Dave
Senior Member
Tourmallard 24v (ex-owner)
Posts: 1984
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Re: still got problems
« Reply #1 on: Nov 18th, 2006, 10:45pm » |
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Not familiar with the 2.0 but a possible air leak springs to ming.
You could also try disconnecting the EGR valve too - disconnect and block the pipe that goes to the silver box on the bulkhead (on the 24v at least) to test if the fault disappears:
http://www.fordscorpio.co.uk/egr.htm
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Life after the Scorpio ain't easy..
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taliban aka Cheekyboy2
Senior Member
I'm a YaBB newbie!
Posts: 1552
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Re: still got problems
« Reply #2 on: Nov 19th, 2006, 1:29am » |
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have you cleaned the MAF?
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: still got problems
« Reply #3 on: Nov 19th, 2006, 1:48am » |
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It's the coil packs....I'd bet my left testicle on it... 
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taliban aka Cheekyboy2
Senior Member
I'm a YaBB newbie!
Posts: 1552
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Re: still got problems
« Reply #4 on: Nov 19th, 2006, 2:35am » |
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got the scissors ready lol
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: still got problems
« Reply #5 on: Nov 19th, 2006, 3:24am » |
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....  .... ....
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TiberiuS
Senior Member
Ex. 1996 2.3 Ultima - RIP P789 KHJ
Posts: 2257
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Re: still got problems
« Reply #6 on: Nov 19th, 2006, 8:33pm » |
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on Nov 19th, 2006, 1:48am, jonnycab wrote:| It's the coil packs....I'd bet my left testicle on it... |
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Makes one wonder about the fate suffered by the right one 
Wiring fault springs to mind, hesitation under speed would point a finger at a faulty coilpack as jonnycab said.
My 2.3 feels like that though, sometimes it feels like it couldn't overtake a milk float, other times it flies along like it's got 250bhp. I'll check the EGR on mine too, sounds like a good idea.
Regards, Bruce.
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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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cscars1
Newbie
2.0 scorpio owner and proud of it
Posts: 32
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Re: still got problems
« Reply #7 on: Nov 19th, 2006, 8:40pm » |
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hello i checked all the air pipes and they are not split or leeking
i will take the egr valve apart tomorrow and check for any problems
i will block the pipe off and see if thats the problem as for coil packs , i dont think it is them as the car runs ok when parked ,only under load , cruising speed fine under 30 ish and normally plays up at about 50 +
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cscars1
Newbie
2.0 scorpio owner and proud of it
Posts: 32
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Re: still got problems
« Reply #8 on: Nov 19th, 2006, 8:40pm » |
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hello i checked all the air pipes and they are not split or leeking
i will take the egr valve apart tomorrow and check for any problems
i will block the pipe off and see if thats the problem as for coil packs , i dont think it is them as the car runs ok when parked ,only under load , cruising speed fine under 30 ish and normally plays up at about 50 +
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cscars1
Newbie
2.0 scorpio owner and proud of it
Posts: 32
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Re: still got problems
« Reply #9 on: Nov 19th, 2006, 8:41pm » |
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hello i checked all the air pipes and they are not split or leeking
i will take the egr valve apart tomorrow and check for any problems
i will block the pipe off and see if thats the problem as for coil packs , i dont think it is them as the car runs ok when parked ,only under load , cruising speed fine under 30 ish and normally plays up at about 50 +
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My scorpio takes me to Weymouth Wildcats Speedway
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: still got problems
« Reply #10 on: Nov 20th, 2006, 12:30am » |
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I had exactly the same symptoms on my old 2.0 16V Scorp.
It ticked over fine, even revved okay. But under load it would 'hiccup'.
It felt like fuel starvation, but it was the coil packs.
Just because the coil packs look okay, it doesn't mean they are okay 
.......still bet my left nut on it
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: still got problems
« Reply #11 on: Nov 20th, 2006, 1:02am » |
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on Nov 19th, 2006, 8:41pm, cscars1 wrote:hello i checked all the air pipes and they are not split or leeking
i will take the egr valve apart tomorrow and check for any problems
i will block the pipe off and see if thats the problem as for coil packs , i dont think it is them as the car runs ok when parked ,only under load , cruising speed fine under 30 ish and normally plays up at about 50 + |
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You may have a problem getting the EGR valve apart....as it is a sealed unit.
You can check for tightness to the exhaust manifold, & tightness of pipes....especially the brass ring between manifold pipe & EGR.
But I doubt if the EGR is the problem, & it could well be waste of time 
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cscars1
Newbie
2.0 scorpio owner and proud of it
Posts: 32
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Re: still got problems
« Reply #12 on: Nov 20th, 2006, 9:46am » |
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if it is the coil packs , i suspect there not cheap
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: still got problems
« Reply #13 on: Nov 20th, 2006, 10:23am » |
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on Nov 20th, 2006, 9:46am, cscars1 wrote:| if it is the coil packs , i suspect there not cheap |
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£60.00 each, I seem to remember. You may be able to get a good second hand pair from someone on here though.
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hellblue
Full Member
Ill have silver,it dries just as fast !
Posts: 210
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Re: still got problems
« Reply #14 on: Nov 20th, 2006, 10:48pm » |
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I had this,try removing the egr valve to clean it & the seat (carb cleaner) opperate by hand then make sure it then seats ok. But it may be the pressure transducer so if you still have trouble try pluging the vacuum pipe to the egr valve,it wont hurt if the egr is not working,you can spend ££££ on parts to find a fault like this,only to find out it may have been a cheap fix
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Gary
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cscars1
Newbie
2.0 scorpio owner and proud of it
Posts: 32
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Re: still got problems
« Reply #15 on: Nov 20th, 2006, 11:33pm » |
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hi
i have tested the egr valve today
by putting a vacumn pump on the egr valve and you can feel it moving up ok , when releasing the pressure it goes back down
so i think thats ok
its seems to be getting a little better
taking it to manchester tommorrow for a long run
so that should clean it or blow it up
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cscars1
Newbie
2.0 scorpio owner and proud of it
Posts: 32
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Re: still got problems
« Reply #16 on: Nov 23rd, 2006, 9:10am » |
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on Nov 20th, 2006, 10:48pm, hellblue wrote:| I had this,try removing the egr valve to clean it & the seat (carb cleaner) opperate by hand then make sure it then seats ok. But it may be the pressure transducer so if you still have trouble try pluging the vacuum pipe to the egr valve,it wont hurt if the egr is not working,you can spend ££££ on parts to find a fault like this,only to find out it may have been a cheap fix |
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hi i just been to manchester and the car ran ok , it only had the flat spot at about 2000 revs upto 3000 revs after that it was ok
on the way back i disconected the pipe from EGR valve and the car ran 99% better than before so i think it is the EGR valve
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if i leave the EGR valve disconnected what problems will i get
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hellblue
Full Member
Ill have silver,it dries just as fast !
Posts: 210
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Re: still got problems
« Reply #17 on: Nov 23rd, 2006, 10:15pm » |
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None realy mines not been on since i had the trouble.The egr only lets exhaust gas in when at light loads & cruising to lower combustion temps to lower nox levels thus saving the planet!! (a bit) so its not on all the time any way ,if the valve dont close properly you will loose power as the exhast gas is inert so you will have less fuel/air to burn so less bang ~ less go!!
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Gary
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Geoff_W
Senior Member
98 Ulti2.5tdi Auto
Posts: 1340
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Re: still got problems
« Reply #18 on: Nov 23rd, 2006, 10:50pm » |
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In my case it was the lead from the coil pack to the plug, cable insulation was cracked where it plugged on the pack.
New lead sorted it, not going to bet a testicle however unless its Jonnys
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The winding road goes on and on... or at least it does in Northumberland
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: still got problems
« Reply #19 on: Nov 24th, 2006, 2:31am » |
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Okay, the bet's off.
I don't care if I'm wrong.........but my testicles are staying put 
And if anyone has any ideas ?....then don't.....I'd fight off a pack of gay grizzly bears to keep my gonads
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