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 Posted: Sun Jan 06, 2013 5:01 pm |
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Joined: Jan 06, 2013
Posts: 3
Trade Rating: 0
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hi,
ive got a 1999 1.4i lx, and originally when i got it about a month ago, it was revving up by itself, and would cut out when you went to accelerate, this got worse as time went on, and i read up on it and suspected it to be the idle control valve, so i ordered one of ebay (there £148 off peugeot!) and fitted, disconnected the battery ect to reset the ecu, and all was well it was idling correctly for a couple of days, and then it started playing up, now it idles at 3000 rpm but doesnt cut out when u rev it, it also accelerates when driving without you touching the throttle
any ideas on what could be wrong?
thanks in advance
steve
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Posted: Sun Jan 06, 2013 5:15 pm |
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Joined: Aug 04, 2011
Posts: 1343
Trade Rating: 0
Location: Swindon
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Check all air intake pipes for splits and security. Check around the throttle body and for any leaking gaskets or other means of air getting into the engine intake side.
EDIT: some cheap ebay components are notorious for not lasting long! Your saving could have been a false economy. If you end up buying another you don't need to get genuine Peugeot but Facet or Bosch should do the trick.
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| Morris 1000, Austin 1100, Escort Mk2, Fiat Mirafiori, Alfa 33, Alfa GT Junior, Alfasud, Alfetta GTV (2x), Alfa 164 3.0 V6, Alfa 164 2.0, Alfa 75 V6, Alfa 156 2.4 (diesel remapped 200bhp), Alfa 147 GTA (3.6 295bhp), Alfa 159 (diesel remapped 245bhp 300ft.lbs @ 2500rpm)
Why isn't my daughter an Alfaholic? | |
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Posted: Sun Jan 06, 2013 5:21 pm |
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Joined: Jan 06, 2013
Posts: 3
Trade Rating: 0
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ive checked that everythings tight and secure and all seems to be ok, when i unplug the map sensor it runs very ruff idleing jumping from 1250 to 500 rpm and then kinda settles, but as soon as u plug this isn't it shoots back up again, could it possably be this at fault?
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Posted: Sun Jan 06, 2013 5:36 pm |
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Joined: Aug 04, 2011
Posts: 1343
Trade Rating: 0
Location: Swindon
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Yes it could be. Equally it could be the car defaulting to unknown parameters. If you search the web you may find what the output voltages of the MAP should be and see if yours is within tolerance.
I guess that some dislodged crap or your recent work could have damaged it.
I only say could be as the car could still have a split pipe or leak somewhere; the MAP may be reading correctly the engine management system is seeing the extra air and the ECU then gives extra fuel to suit.
If it was carburettored instead of injected the first thing you look for when idle is uncontrolled is an air leak.
It could be a sensor or ICV fault or it could as above be a real air leak that the sensors are seeing and giving extra fuel to compensate for.
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| Morris 1000, Austin 1100, Escort Mk2, Fiat Mirafiori, Alfa 33, Alfa GT Junior, Alfasud, Alfetta GTV (2x), Alfa 164 3.0 V6, Alfa 164 2.0, Alfa 75 V6, Alfa 156 2.4 (diesel remapped 200bhp), Alfa 147 GTA (3.6 295bhp), Alfa 159 (diesel remapped 245bhp 300ft.lbs @ 2500rpm)
Why isn't my daughter an Alfaholic? | |
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Posted: Sun Jan 06, 2013 6:06 pm |
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Joined: Sep 12, 2012
Posts: 383
Trade Rating: +3
Location: Flintshire, North Wales
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check you tempt gauge mate , get one from scrappy for couple quid and take 2mins to remove and instal i think it could be that
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Posted: Sun Jan 06, 2013 6:10 pm |
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Joined: Aug 04, 2011
Posts: 1343
Trade Rating: 0
Location: Swindon
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On a BSI model I would agree that strange stuff happens but this is a basic 1.4LX so I doubt they are related.
dan_manu have you had experience of this on a 1999 1.4LX (that is OP car I believe.)
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| Morris 1000, Austin 1100, Escort Mk2, Fiat Mirafiori, Alfa 33, Alfa GT Junior, Alfasud, Alfetta GTV (2x), Alfa 164 3.0 V6, Alfa 164 2.0, Alfa 75 V6, Alfa 156 2.4 (diesel remapped 200bhp), Alfa 147 GTA (3.6 295bhp), Alfa 159 (diesel remapped 245bhp 300ft.lbs @ 2500rpm)
Why isn't my daughter an Alfaholic? | |
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Posted: Sun Jan 06, 2013 6:17 pm |
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Joined: Sep 12, 2012
Posts: 383
Trade Rating: +3
Location: Flintshire, North Wales
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yeah my cars yr 2000, my car would rev its self on it own, then got worse over the matter of a couple days
it got to the point that every time i stopped my car would rev to 2500 - 3500rpm then i soon as i touched the pedal it stalled and would take ages to start.
my car would also accelerated on its own and if i tryed to accellerate out of it the car would judder and sometimes stall.
all u have to do to check if its the tempt gauge is remove it , takes 10secs and all it will do is make your car idle s slightly higher at like 1100 revs
jus try it mate whats worst that can happen
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Posted: Sun Jan 06, 2013 6:21 pm |
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Joined: Sep 12, 2012
Posts: 383
Trade Rating: +3
Location: Flintshire, North Wales
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i can supply u with pics if u dont no where it is
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Posted: Sun Jan 06, 2013 6:21 pm |
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Joined: Aug 04, 2011
Posts: 1343
Trade Rating: 0
Location: Swindon
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How strange is that! One for the memory banks.
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| Morris 1000, Austin 1100, Escort Mk2, Fiat Mirafiori, Alfa 33, Alfa GT Junior, Alfasud, Alfetta GTV (2x), Alfa 164 3.0 V6, Alfa 164 2.0, Alfa 75 V6, Alfa 156 2.4 (diesel remapped 200bhp), Alfa 147 GTA (3.6 295bhp), Alfa 159 (diesel remapped 245bhp 300ft.lbs @ 2500rpm)
Why isn't my daughter an Alfaholic? | |
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Posted: Sun Jan 06, 2013 6:23 pm |
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Joined: Sep 12, 2012
Posts: 383
Trade Rating: +3
Location: Flintshire, North Wales
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yeah mate , i hope it works , keep me informed as our symptoms were the same
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Posted: Mon Jan 07, 2013 4:12 am |
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Joined: Jan 06, 2013
Posts: 3
Trade Rating: 0
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oh rite thanks for all the replys i'l check it all over today for leaks, but i think it could be sensor related, if it was a leak it would do it all the time, but ocassionally it runs fine, then all of a sudden it just plays up.
i'll try the temp sensor dan_manu, and go from there, where abouts is it ruffly, is it one of the sensors down by the thermostat housing? there's a blue plug and a brown plug, they look like temp sensors?
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Posted: Mon Jan 07, 2013 7:09 am |
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Joined: Sep 12, 2012
Posts: 383
Trade Rating: +3
Location: Flintshire, North Wales
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il post a picture wer it is at 4 for ya mate
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Posted: Mon Jan 07, 2013 7:13 am |
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Joined: Sep 12, 2012
Posts: 383
Trade Rating: +3
Location: Flintshire, North Wales
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it should be a green connector right behind the dipstick mate
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Posted: Mon Jan 07, 2013 8:01 am |
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Joined: Aug 04, 2011
Posts: 1343
Trade Rating: 0
Location: Swindon
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dan_manu. Does this sensor send the signal to the gauge or the signal to the ECU. If it is the signal to the ECU it is understanable as this being faulty will always make the ECU think the engine is cold so it will throw extra fuel at it.
On these engines there are two sensors. One sends the signal to the gauge and the other sends it to the ECU. The gauge sender shouldn't make a difference but the ECU one will.
Not saying you are wrong - strange things happen.
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| Morris 1000, Austin 1100, Escort Mk2, Fiat Mirafiori, Alfa 33, Alfa GT Junior, Alfasud, Alfetta GTV (2x), Alfa 164 3.0 V6, Alfa 164 2.0, Alfa 75 V6, Alfa 156 2.4 (diesel remapped 200bhp), Alfa 147 GTA (3.6 295bhp), Alfa 159 (diesel remapped 245bhp 300ft.lbs @ 2500rpm)
Why isn't my daughter an Alfaholic? | |
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Posted: Mon Jan 07, 2013 10:23 am |
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Joined: Sep 12, 2012
Posts: 383
Trade Rating: +3
Location: Flintshire, North Wales
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i couldnt tell ya mate , im jus sayin from past experience, all he has to do is remove the tempt sensor thats normaly green and behind the oil dipstick and it should run normal but idle a tiny bit more, if he takes it out and it still revs all time n stalls then its not that
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