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Topic: no power 2.5 td (Read 1033 times) |
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eff511
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no power 2.5 td
« on: Feb 21st, 2009, 2:35pm » |
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hi all i am still having nightmares after testing all my wiring and the crank sensor because of fault codes p0725 and p1226 plugged in diag tool and a new code p1225 came up i cleared the codes took it for a drive and no codes found but i have still got no power any ideas where to go next?
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Tompion
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1997 2.3 Ultima estate.
Posts: 2918
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Re: no power 2.5 td
« Reply #1 on: Feb 21st, 2009, 3:37pm » |
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Those codes aren't on the Scorpio site,
according to Haynes
P0xxx are generic
P1xxx are manufacturer specific
I had a quick Google for Ford codes
P1225 showed as Needle lift sensor malfunction
Someone on one of the forums suggested it was to do with the throttle position sensor
(On a VW site they say bad earth but of course being the wrong manufacturer that probably isn't valid)
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ABS multiplug wheel sensor pins MK IV or MK 20
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wumpster
Full Member
1996 2.5TD Scorpio Exec
 
Posts: 155
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Re: no power 2.5 td
« Reply #2 on: Feb 21st, 2009, 3:56pm » |
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i take it yours is the ecu controlled TD then m8 not the earlyer one
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Snoopy
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Very old.BAD tempered and missing friends.
Posts: 6278
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Re: no power 2.5 td
« Reply #3 on: Feb 22nd, 2009, 8:16am » |
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I put a load of codes HERE if it helps ......
I do still have the book will look through again ....
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eff511
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Re: no power 2.5 td
« Reply #4 on: Feb 22nd, 2009, 6:52pm » |
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the codes are now clear but it is still in limp mode the next step is to check the maf sensor then the map sensor but if no luck get shot of as i have now bought a rover 825 sd (same engine) and my last one is still going strong with over 600k miles on the clock with less electrical gremlins but not the same luxury cheers kev
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eff511
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Re: no power 2.5 td
« Reply #5 on: Mar 2nd, 2009, 12:49pm » |
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just noticed a code on my dash los 251 anyone any ideas what this one means as map and maf sensor both test ok
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eff511
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Re: no power 2.5 td
« Reply #7 on: Mar 2nd, 2009, 3:48pm » |
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i knew i had seen the list of codes somewhere thanks for that still got no power in the motor (1998 2.5td ghia auto) if car is driven in d it will only rev up to 2200 but if i use the box in 1st 2nd etc it will rev higher but it is gutless and now showing no trouble codes any suggestions will be a great help cheers kev
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wumpster
Full Member
1996 2.5TD Scorpio Exec
Posts: 155
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Re: no power 2.5 td
« Reply #8 on: Mar 2nd, 2009, 4:48pm » |
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you prob have checked this one but is the egr valve working ok we runn derv taxis and loss of power on a lot of then is norn qured with replacing the egr vale
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eff511
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Re: no power 2.5 td
« Reply #9 on: Mar 2nd, 2009, 6:19pm » |
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i would not have thought an egr valve would put it in limp mode but i have cleaned it out as a precaution and done a vac test on it and even blanked it off all to no avail i am totally stumped on this one as it now shows no fault codes after clearing the 3 i found which were p0725 p1225 and p1226
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eff511
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Re: no power 2.5 td
« Reply #10 on: Mar 5th, 2009, 11:43am » |
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still having problems now noticed turbo was not pulling in under vac side done all checks turbo spooling ok pulling in ok when pipe sucked and misfire at about 2500 revs egr vac working so swapped pipes over from egr to turbo but still the same any ideas as i seem to be spending every day off work on the car instead of being in the pub
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k1ng_james
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Re: no power 2.5 td
« Reply #11 on: Apr 10th, 2009, 5:41pm » |
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did you get this sorted? i seem to be having the same problem with mine! 
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Highlander
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Expert
13 Scorpios, XR4x4, Suzuki SJ413 for off road :)
Posts: 8244
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Re: no power 2.5 td
« Reply #12 on: Apr 10th, 2009, 5:58pm » |
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I must have missed this one, the symptoms you describe can be caused by a faulty fuel sensor, the sensor is built into the front injector, you can see a single black wire running from it, quite difficult to obtain second hand, I got mine from a Cherokee
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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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python9
Full Member
1997 24v ghia saloon
Posts: 241
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Re: no power 2.5 td
« Reply #13 on: Apr 15th, 2009, 11:36pm » |
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and i have a spare injector with the black wire attached
change the fuel filter to this can cause the same problem i have had it to and it was indeed the fuel filer car would start but would not rev worth a monkeys
£3 from halfords
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