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My 95 EF idles rough 

 

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 Post subject: My 95 EF idles rough
Posted: Tue Jan 18, 2005 11:34 pm 
Oompa Loompa
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Location: adelaide
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My Ef feels like it is missing (But i dont think it is) when it is idle. It has been in and had a full service and tune. (ULTRA TUNE) they told me all Ef's run a bit rough! @##@ #@##@. It has new plugs + $130 worth of leads. Just had it put on LPG. problem seems to be more noticable since on LPG. Any one got any ideas?
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Posted: Tue Jan 18, 2005 11:53 pm 
Getting Side Ways
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Did their service include cleaning the ISC? all falcons run a bit rough, what a mob of f**k, hard to find a decent mechanic, no wonder i do this s**t myself.
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Posted: Tue Jan 18, 2005 11:59 pm 
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This is a very common problem, I had this very same problem 18 months ago. Try this

Remove and check the resistance on each lead they should be less than 20,000 Ohms.

If it only occurs when running on petrol. Remove each injector and have them professionally cleaned (about $20ea)

With engine running spray some aerostart or similar around manifold gasket, if idle increases than a leak is indicated.

Check all vacuum hoses for leaks

Do each item above at differant times so you can find out the true cause.

Finally after all this my fix was to run the car on premium fuel for about 3 months!

 

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Posted: Wed Jan 19, 2005 12:02 am 
Oompa Loompa
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ISC?
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Posted: Wed Jan 19, 2005 12:26 am 
Getting Side Ways
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shanker1974 wrote:
ISC?


Idle Speed Control.......... mounted on top of throttle body

 

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Posted: Wed Jan 19, 2005 12:29 am 
Oompa Loompa
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according to their vehicle service report YES!
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Posted: Wed Jan 19, 2005 12:44 am 
Getting Side Ways
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shanker1974 wrote:
according to their vehicle service report YES!
Wouldnt trust those pricks, pull it off, 2 10mm bolts IIRC,or 2 screws, and have a look, it should be shiny if they have cleaned it, black if they havent, takes 5 mins.
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Posted: Wed Jan 19, 2005 12:46 am 
Oompa Loompa
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bowsaw wrote:
shanker1974 wrote:
according to their vehicle service report YES!
Wouldnt trust those pricks, pull it off, 2 10mm bolts IIRC,or 2 screws, and have a look, it should be shiny if they have cleaned it, black if they havent, takes 5 mins.


will give it a go tommorow! Cheers!
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Posted: Wed Jan 19, 2005 12:47 am 
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bowsaw wrote:
shanker1974 wrote:
according to their vehicle service report YES!
Wouldnt trust those pricks, pull it off, 2 10mm bolts IIRC,or 2 screws, and have a look, it should be shiny if they have cleaned it, black if they havent, takes 5 mins.


hey bow saw u and i both know that when he pulls the ISC off that there is no chance in the world they would have cleaned it... its easier for them to say 'oh they run like that' hahaha thas the funniest thing ive heard...... just pull the whole throttle body off including ISC and give it all a good clean and soak in some throttle body cleaner... put back together see how u go.

 

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Posted: Wed Jan 19, 2005 12:51 am 
Oompa Loompa
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azza wrote:
bowsaw wrote:
shanker1974 wrote:
according to their vehicle service report YES!
Wouldnt trust those pricks, pull it off, 2 10mm bolts IIRC,or 2 screws, and have a look, it should be shiny if they have cleaned it, black if they havent, takes 5 mins.


hey bow saw u and i both know that when he pulls the ISC off that there is no chance in the world they would have cleaned it... its easier for them to say 'oh they run like that' hahaha thas the funniest thing ive heard...... just pull the whole throttle body off including ISC and give it all a good clean and soak in some throttle body cleaner... put back together see how u go.


on the service report it has "inspect thriottle body" they crossed it out and wrote "cleaned" then they ticked rectified. it seems as if they may have done it!
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Posted: Wed Jan 19, 2005 12:20 pm 
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shanker1974 wrote:
azza wrote:
bowsaw wrote:
shanker1974 wrote:
according to their vehicle service report YES!
Wouldnt trust those pricks, pull it off, 2 10mm bolts IIRC,or 2 screws, and have a look, it should be shiny if they have cleaned it, black if they havent, takes 5 mins.


hey bow saw u and i both know that when he pulls the ISC off that there is no chance in the world they would have cleaned it... its easier for them to say 'oh they run like that' hahaha thas the funniest thing ive heard...... just pull the whole throttle body off including ISC and give it all a good clean and soak in some throttle body cleaner... put back together see how u go.


on the service report it has "inspect thriottle body" they crossed it out and wrote "cleaned" then they ticked rectified. it seems as if they may have done it!


Still it a fairly easy job to confirm it for yourself.

 

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Posted: Wed Jan 19, 2005 12:45 pm 
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just have a look urself buddy....maybe the cleaned the ISC but ur actual TB has built up a bit of s**t around the inside of the throttle....

 

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Posted: Wed Jan 19, 2005 10:17 pm 
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I would definately clean the ISC & throtle body again anyway. If you want a job done properly, you gota do it your self! Check plugs & leads, clean injectors as already mentioned. If it still runs rough it could be your coil pack. I've heard they do fail a bit. Mine did. I've done all of the above ($$$$$$). now runs perfect!
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Posted: Thu Jan 20, 2005 12:12 am 
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e-falcon wrote:
I would definately clean the ISC & throtle body again anyway. If you want a job done properly, you gota do it your self! Check plugs & leads, clean injectors as already mentioned. If it still runs rough it could be your coil pack. I've heard they do fail a bit. Mine did. I've done all of the above ($$$$$$). now runs perfect!


How did you find out whitch one and what price are they? (also are they genuine only?)
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Posted: Thu Jan 20, 2005 2:51 pm 
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shanker1974
Disconnect the crankcase ventilation hose from the tappet cover and plug the end of the hose and see if that fixes your problem. It is a known problem with LPG because the PCV hose lets air inbetween cylinders 2-3 making them run lean when on LPG, but not when on petrol. Ford have a kit to correct this problem
Station-rat 8-)
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