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bad idle, miss etc 

 

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 Post subject: bad idle, miss etc
Posted: Sun Oct 02, 2005 9:11 pm 
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Location: Perth
WA, Australia

another idle/miss/everything problem!! ef falcons....

has been doing this for a while now, seems to gradually be getting worse tho.

use to b after the engine had warmed up a bit, now it is just random...
in idle i get the odd jump, drop, search actions and this seems to carry on till i start to move again. then the car sort of stutters along, not 100% sure if its missing or wot, seems to surge then putt then find its feet again.
sometimes it seems to sort itself out and start to run fine. other times it just putts the whole way.

i have done the filters, cleand out the isc, the crank angle sensor, run injector cleaner through the tank, and done various searches on the issues, many people seem to have the same troubles but none 100% fixed...

any ideas would be greatly appreciated,

cheers!
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Posted: Sun Oct 02, 2005 9:21 pm 
Getting Side Ways
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welcome to my world.. why does it only seem to be EF's? maybe its got something to do with the ignition ..?
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Posted: Sun Oct 02, 2005 9:23 pm 
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u hav'nt stated u done the obvious- plugs /leads - but u must have right?
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Posted: Sun Oct 02, 2005 9:24 pm 
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i don't even know where to start ay!
im just hoping that it doesn't s**t it self and stop running completely :(
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Posted: Sun Oct 02, 2005 9:26 pm 
Getting Side Ways
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have u done a self diagnosis on it?
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Posted: Sun Oct 02, 2005 9:27 pm 
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did the plugs not long ago but am yet to do the leads...
spose i should get that done next...
but after reading other ppls posts it seems it may b beyond that
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Posted: Sun Oct 02, 2005 9:33 pm 
Getting Side Ways
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Age: 33

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Ride: EF & VTR1000

Location: Wollongong
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it could well possibly be your leads, with mine im just doing a new thing everyweek or whenever I have the spare cash.. i'd be self diagnosing it to see if there are any sensors shagged. I done mine and had to replace the TPS and IAT. changed my fuel pump last week, next will be leads and plugs AGAIN.

have u checked your cat? this can cause a miss if it's blocked. try your fuel filter too. goodluck, definetly try the diagnosis though. There is a how-to guide in the technical forums
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Posted: Sun Oct 02, 2005 9:37 pm 
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yep done the fuel filter bout 3 weeks ago...
i'll give the diagnosis a go next!
cheers mate
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Posted: Mon Oct 03, 2005 12:00 pm 
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Ride: 07 BF mk2 E-gas wagon + eb 5.0

Power: 174 rwkw

Location: Adelaide
SA, Australia

about a year ago my car developed an intermittant miss. some days it would be fine. sometimes it would go weeks without doing it and then other days it would rear its ugly head every time u got in it. i also did all the obvious things eg plugs, leads, coil pack, various sensors, etc. i figured it wasn't a fuel issue as my economy was very good and still is. eventually another member on here mentioned that his car had similar probs and after about 8 hours on dyno trying to trace the prob (very hard as its not always there) he found it to be the fuel pump relay which is located in front of coolant reservoir. i replaced mine. cost $70 - $80 from motor traders and prob disappeared. just another option to try if you have an annoying miss.

however... having said all that after about 6 months of trouble free motoring my car has started to miss again the last couple of weeks. have changed leads again yesterday. no change. plugs are iridiums with only about 15000 km's on them but thinking i might buy a cheap set and see if prob goes away. am going to do self diag today and see what turns up.

at least u know yr not alone when you have an ef with a miss.

 

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eb v8: low loud and fast. just how a v8 should be. i guess the big question is, is it fast enough...

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Posted: Mon Oct 03, 2005 4:58 pm 
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Try resetting ecu. By the way, can anyone tell me how to do this myself.
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Posted: Tue Oct 04, 2005 6:43 pm 
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i'll have to have a go at that relay it seems...

i think there is a thread on ecu reset, have to do a search, i'll post it here if i find it

i'll keep yas posted

cheers
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 Post subject: my bet
Posted: Tue Oct 04, 2005 8:01 pm 
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i will bet london to a brick you need a new dizzy cap and rotor button
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Posted: Wed Oct 05, 2005 5:23 pm 
Getting Side Ways
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Ride: 07 BF mk2 E-gas wagon + eb 5.0

Power: 174 rwkw

Location: Adelaide
SA, Australia

thats a bit difficult when ef's don't have either. coil packs on ef model.

 

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eb v8: low loud and fast. just how a v8 should be. i guess the big question is, is it fast enough...

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Posted: Wed Oct 05, 2005 8:25 pm 
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well im all ears as my EF has the same prob too. at idle it has a light popping outa the tail pipe and runs rough at idle soon as put power down it seems to go away i aint done jack too it as iv just brought the car with the prob good luck finding the bludger !!
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Posted: Wed Oct 05, 2005 10:00 pm 
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Location: Perth
WA, Australia

haven't been able to find ecu reset procedure, but i know its here somewhere.

gonna change the leads tomorrow night hopefully, f**k they look hard to get to, down near the coil pack (i think thats what it is?).

overtime pending i might buy a relay and give that a go.

maybe i might give up and get out and about on the push bike more :D
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