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Loss of power 

 

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 Post subject: Loss of power
Posted: Wed Jan 02, 2013 4:44 pm 
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Hi everybody,

This may be a staight forward answer but I just want to check.

When my wifes driving her 2004 focus 1.8l, (not her driving I tried too), it sometimes looses power when trying to accelerate. I think it may be a air intake sensor, any other suggestions before I get a new one.

Cheers

Stewart Mac

 

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 Post subject: Re: Loss of power
Posted: Wed Jan 02, 2013 6:13 pm 
Getting Side Ways
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How long since you changed the fuel filter? Same thing happened to my Nanna's old EL and was blocked fuel filter

 

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 Post subject: Re: Loss of power
Posted: Wed Jan 02, 2013 6:31 pm 
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Pretty sure its not the fuel filter as she has been runniong 98 in it.

Only starts to loose power and gasp once your foot half way down.

Have just given the old sensor a clean with MAFS cleaner hopefully won't have to buy a new one.

 

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 Post subject: Re: Loss of power
Posted: Wed Jan 02, 2013 7:59 pm 
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Beaut XG wrote:
How long since you changed the fuel filter? Same thing happened to my Nanna's old EL and was blocked fuel filter


You maight be right, tryed the MAFS cleaner and didn't get any result.

Time to try changing the fuel filter.

 

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 Post subject: Re: Loss of power
Posted: Wed Jan 02, 2013 8:34 pm 
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Stewart Mac wrote:
Pretty sure its not the fuel filter as she has been runniong 98 in it.


91, 95, 98 or 100...doesn't matter what rating, if the tank is dirty (servo or your fuel tank), the fuel will be dirty.

However losing power could also mean blocked catalytic converter which is common on the sixes. Not sure on the 4s, but I would imagine it would have the same effect if it were blocked. Also check your air filter element isn't badly blocked...hopefully you don't have a dead bird or a bunch of mice in there.

 

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 Post subject: Re: Loss of power
Posted: Sun Jan 13, 2013 1:55 pm 
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I have tried cleaning the MAFS and changing the fuel filter, but no success.

When you push the accelerator half way in it is fine, but when you push it all the way to the floor the car stutters and chugs (not a very good descriptive word).

Anyone got any ideas?

 

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 Post subject: Re: Loss of power
Posted: Sun Jan 13, 2013 2:53 pm 
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As phongus said, could be blocked catalytic converter, might want to check your fuel pressure as well, its just a process of elimination haha.

 

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 Post subject: Re: Loss of power
Posted: Sat Jan 19, 2013 10:43 pm 
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After changing the filters i would be checking the cam and crank angle sensors this can have the same effect, go to your local mechanic and get them to plug in the computer and check for error codes.
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 Post subject: Re: Loss of power
Posted: Sat Jan 19, 2013 10:43 pm 
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After changing the filters i would be checking the cam and crank angle sensors this can have the same effect, go to your local mechanic and get them to plug in the computer and check for error codes.
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 Post subject: Re: Loss of power
Posted: Thu Jan 24, 2013 8:59 am 
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After checking the fuel pressure I eventually checked the cat and what do you know it was stuffed.

Thanks for all the suggestions. :)

 

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 Post subject: Re: Loss of power
Posted: Sun Feb 10, 2013 4:35 pm 
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Just keep replacing random parts until it's fixed.

 

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 Post subject: Re: Loss of power
Posted: Sun Feb 10, 2013 7:20 pm 
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phongus wrote:
Stewart Mac wrote:
Pretty sure its not the fuel filter as she has been runniong 98 in it.


91, 95, 98 or 100...doesn't matter what rating, if the tank is dirty (servo or your fuel tank), the fuel will be dirty.

However losing power could also mean blocked catalytic converter which is common on the sixes. Not sure on the 4s, but I would imagine it would have the same effect if it were blocked. Also check your air filter element isn't badly blocked...hopefully you don't have a dead bird or a bunch of mice in there.


^^^this^^^
Get the filter replaced

 

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 Post subject: Re: Loss of power
Posted: Thu Feb 14, 2013 10:32 am 
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tickford_6 wrote:
Just keep replacing random parts until it's fixed.


LOL.....^^^^^^^^^......Swapnostics.

I wonder if the fly-by-wire accel pedal assembly has a flaw in it ????

 

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 Post subject: Re: Loss of power
Posted: Sun Apr 07, 2013 8:49 pm 
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did you ever get it fixed?
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