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Rough idle BA 6 cylinder 

 

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 Post subject: Re: Rough idle BA 6 cylinder
Posted: Fri Feb 04, 2011 8:21 am 
Getting Side Ways
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Albyhar wrote:
you could try replacing your oxygen sensor,cleaning your throttle body is not a good idea,i cleaned mine and ended up having to buy a new one as i had removed the varnish from the inside surface which is coated by the factory and cannot be replaced.


Funny that, Ford cleaned mine down under warranty!

 

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 Post subject: Re: Rough idle BA 6 cylinder
Posted: Fri Feb 04, 2011 12:22 pm 
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Albyhar wrote:
cleaning your throttle body is not a good idea,i cleaned mine and ended up having to buy a new one as i had removed the varnish from the inside surface which is coated by the factory and cannot be replaced.


First time i have ever heard of this!- i have cleaned both throttle bodies on both my B series several times-no dramas at all. Also once cleaned ran much smoother.
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 Post subject: Re: Rough idle BA 6 cylinder
Posted: Wed Feb 09, 2011 3:44 pm 
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i have done just about everything i can think of to sort out my rough idel, next step will be a scan at ford to see if anything is wrong with the ECU and possibly replace injectors, has anyone seen injectors in a state that would give a 4.0 a rough idle? i did my fuel filter on the weekend and on the out side of it the fuel was coming out black so im guessing my injectors have been copping a not so sweet ride for a while..

also can you go to ford and get like a diagnostics workup and a list of things that are wrong?
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 Post subject: Re: Rough idle BA 6 cylinder
Posted: Sat Apr 02, 2011 2:43 pm 
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JIM89 wrote:
i have done just about everything i can think of to sort out my rough idel, next step will be a scan at ford to see if anything is wrong with the ECU and possibly replace injectors, has anyone seen injectors in a state that would give a 4.0 a rough idle? i did my fuel filter on the weekend and on the out side of it the fuel was coming out black so im guessing my injectors have been copping a not so sweet ride for a while..

also can you go to ford and get like a diagnostics workup and a list of things that are wrong?


How did you go? Did you find your problems? Have you changed the TPS? (NB: I have a new Genuine TPS for $95... let me know if you're interested...)
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 Post subject: Re: Rough idle BA 6 cylinder
Posted: Tue Apr 05, 2011 2:08 am 
Oompa Loompa
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another thing to try as it is free is resetting your TPS.

before turning the key fully depress the accelerator pedal and hold it down as you
turn the key as if starting the car. the engine will turn over however not start. hold the key on for about ten seconds then switch it of. release foot from pedal and start the car as normal

congrats you have just reset your throttle position 8-)

 

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 Post subject: Re: Rough idle BA 6 cylinder
Posted: Tue Apr 05, 2011 5:20 pm 
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also something else to think about the cam angle sensors intake an exhaust...
also get really with your wollet causde my mate got quoted quite a little bit of money we went somewhere else an payed 20...

3 or 4 of his coils were fried... replaced them sorts help next that popped up was the sensors an yeah haven't got around to doing it seeing as he is about on 6 $ first year plumber it also has bad fuel economey ... check vac leaks also ... found one of his was missing half of it lol..

dunno if any of that helps but though i'd through it at you...

cheers Dan

 

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 Post subject: Re: Rough idle BA 6 cylinder
Posted: Fri Jun 24, 2011 8:08 pm 
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Problem Solved!!!

For all those who guessed intake leak / faulty gasket, you WIN!

The inlet manifold gasket had a crack in it and was leaking. $300 later and it is running like brand new. I keep thinking it has stalled sometimes cos it is running so smooth and quiet now!

Very happy.

Thanks for all the tips too!
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 Post subject: Re: Rough idle BA 6 cylinder
Posted: Sat Jun 25, 2011 12:37 am 
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chriscochris wrote:
Problem Solved!!!

For all those who guessed intake leak / faulty gasket, you WIN!

The inlet manifold gasket had a crack in it and was leaking. $300 later and it is running like brand new. I keep thinking it has stalled sometimes cos it is running so smooth and quiet now!

Very happy.

Thanks for all the tips too!



Great you got it sorted, generally when High rev at idle or rough indicates a vacuum leak from the inlet manifold gasket. I only just read some parts of your thread and as GAb 1 suggested to spray some aerostart along the inlet manifold to see if the revs change.

You can buy a gasket and fit it yourself for under $40, I can see why Tickford_6 gets the s**t!@!!!! You basically told them on your first post that you have a high idle(inlet vacuum leak) and people are telling you too clean your throttle body... god help me...lol.lol...

 

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 Post subject: Re: Rough idle BA 6 cylinder
Posted: Sat Jun 25, 2011 10:01 am 
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I just had mine done too last thursday, cars never ran so smooth.
Only paid half what you paid tho. Shows you really do need to shop around.x

 

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 Post subject: Re: Rough idle BA 6 cylinder
Posted: Thu Jun 27, 2013 2:55 pm 
Oompa Loompa
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my ba also runs rough sounds like the same problem you had, where did you get fixed just a local machanic or did you buy your parts and do it your self
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 Post subject: Re: Rough idle BA 6 cylinder
Posted: Tue Oct 01, 2013 5:43 pm 
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Gab1 wrote:
Sounds to me like you have a vacuum leak somewhere on the intake side, grab a can of CRC, degreaser or aerostart, and spray it all around the inlet manifold area until you notice the revs pick up, also look for any hoses that are cracked, or have come off. Let us know how you go.

Gab


Thanks for the tip Gab. My son's BA ute had all the symptoms described, and it turned out to be a crack in the lower intake manifold. Cost him $200 at his local garage in Wollongong inc. parts. Now runs as smooth as a baby's...

We thought we'd fix it ourselves, got the throttle body & plenum off ( the top part of the intake manifold), but ran out of time. It looked to be pretty straight forward though, & he could have bought the inlet gasket on eBay for about $30. Didn't need to replace the plenum gasket. I reckon it would take an amateur like me about 3 hours to do the job.

Thanks again
Bill
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 Post subject: Re: Rough idle BA 6 cylinder
Posted: Tue Oct 01, 2013 6:16 pm 
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Do not waste your money on Throttle Position Sensor. They never go bad, you can reset it, but. Check the voltage, 0.98 V close throttle.

ford-v8-f2/setting-tps-voltage-t46421.html

ford-v8-f2/adjusting-base-idle-and-setting-t-p-s-voltage-t56990-60.html
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