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Topic: 24v hunting ????? (Read 534 times) |
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gaz01gaz
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2.9 cos...what else????
 
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24v hunting ?????
« on: Mar 15th, 2005, 6:16pm » |
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hi, i have a 24v 1996,recently purchased so not sure of previous new parts or probs,when i start the car she runs lovely,however if in park i just press the accelerator very slightly and increase the revs to 1500 the car starts to hunt constantly between 1000 and 2000 ? this causes a problem when cruising at these revs as you can feel the car unsure what to do?all i know is ford in loughborough fitted a 50k engine with a £1200 service incl two new cats thrown in ,(ouch)10k miles ago,i have cleaned m.a.f but not sure where to look next,please any clues 
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scorpio_man
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Ford Kuga awd
Posts: 5654
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Re: 24v hunting ?????
« Reply #1 on: Mar 15th, 2005, 6:55pm » |
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hi there
sounds like it could be the egr. check all the pipework and the valve. also check all the vac pipes/conections.
hth
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gaz01gaz
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2.9 cos...what else????
Posts: 205
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Re: 24v hunting ?????
« Reply #2 on: Mar 16th, 2005, 1:52pm » |
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thanks for that,i have heard the dreaded hissing sometimes so im sure it could be the vac pipes,i will check it out,gaz
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gaz01gaz
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2.9 cos...what else????
Posts: 205
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Re: 24v hunting ?????
« Reply #3 on: Mar 18th, 2005, 3:45pm » |
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RIGHT HERE GOES,ITS A NICE DAY HERE IN SUNNY SHEFFIELD,LETS LIFT THE BONNET AND FIND THE PROBLEM WELL WHEN THE ENGINE BEGINS TO HUNT JUST ABOVE TICKOVER THERE IS A HISSING SOUND FROM A UNIT SITUATED BEHIND THE BRAKE FLUID RESEVOIR,IT IS ALUMINIUM COLOURED SECURED WITH TWO 8 MM NUTS TO THE BULK HEAD AND HAS TWO VAC PIPES RUNNING TO IT AND A WIRING PLUG CONNECTED ?I HAVE REMOVED THE VAC PIPES AND CAPPED THESE OFF TO FIND SHE RUNS MUCH BETTER WITHOUT THE HUNTING OR HISSING,WHAT IS THIS UNIT ?I AM GUESSING IT IS NON FUNCTIONING?PLEASE ADVISE ANYONE,REGARDS,,GAZ
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gaz01gaz
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2.9 cos...what else????
Posts: 205
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Re: 24v hunting ?????
« Reply #5 on: Mar 18th, 2005, 5:01pm » |
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thank you for this link,however my question is ,should this unit which is known as the pressure transducer make the hissing sound that i can hear when the engine begins to hunt ?just trying to determine whether this is correctgaz
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scorpio_man
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Ford Kuga awd
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Re: 24v hunting ?????
« Reply #6 on: Mar 18th, 2005, 5:13pm » |
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hi there
it might be, though i would look to the egr pipework. it could be one of the 't' or 'h' pieces in the back/under the cover of the engine. the heat gets to them and they crack.
have you had a obd-2 scan done? egr issues usually leave a code.
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gaz01gaz
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2.9 cos...what else????
Posts: 205
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Re: 24v hunting ?????
« Reply #7 on: Mar 18th, 2005, 5:53pm » |
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hi,i have checked all the vac pipes and t pieces as i had to replace this on my last 24v,this car had the engine replaced 10k ago by ford dealer in loughbrough,all the vacs look new and soft,cannot get an obd scan done around here i have posted a request before,i have the cover off the engine still and when cold tommorrow i will have a feel around the egr,still begs the question should the transducer hiss when the engine hunts??thanks for the help,gaz
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gaz01gaz
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2.9 cos...what else????
Posts: 205
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Re: 24v hunting ?????
« Reply #9 on: Mar 19th, 2005, 12:52am » |
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thank you i have read both links and have to say that the second link you have posted is exactly my problem....now do i spend the money on this transducer or is the problem something else related...one decision i will sleep on tonight,if anyone else reading this has an opinion please feel free to post it,many thanks to all,regards,gaz
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