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Author Topic: power loss  (Read 1605 times)

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meaney

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power loss
« on: 01 March 2007, 21:54:37 »
when i start my car from cold and the auto choke is on ive got bags of power and great throttle response, but recently as soon as the choke disengages the power drops very significantly and the throttle response goes with it, i have to go up a very steep hill on my way to work every morning and i have to use the sport button to get up the hill, can anyone enlighten me as to what is causing this, it feels like fuel starvation, multi ram maybe ?   :-[
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TheBoy

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Re: power loss
« Reply #1 on: 01 March 2007, 21:56:11 »
Quote
when i start my car from cold and the auto choke is on ive got bags of power and great throttle response, but recently as soon as the choke disengages the power drops very significantly and the throttle response goes with it, i have to go up a very steep hill on my way to work every morning and i have to use the sport button to get up the hill, can anyone enlighten me as to what is causing this, it feels like fuel starvation, multi ram maybe ?   :-[
Most things I can think of would bring on EML.  Presumably this isn't on. Does it come on with ignition?
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meaney

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Re: power loss
« Reply #2 on: 01 March 2007, 22:00:29 »
no warning lights come on, only on ignition, self test then go off again. if i hit sport its fine,although ive noticed my kickdown aint working
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TheBoy

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Re: power loss
« Reply #3 on: 01 March 2007, 22:02:48 »
Quote
no warning lights come on, only on ignition, self test then go off again. if i hit sport its fine,although ive noticed my kickdown aint working
Sport makes no difference to engine, its purely a g/box setting.  So that implies an autobox issue.  As a first port of call, renew autobox fluid and filter.
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meaney

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Re: power loss
« Reply #4 on: 01 March 2007, 22:05:35 »
i had the gearbox fluid changed just before xmas,cleaned out the filter instead of replacing. on a cold start the car goes great but as soon as the choke goes off i seem to loose a lot of power
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Bo Bo

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Re: power loss
« Reply #5 on: 01 March 2007, 22:06:37 »
Sounds familiar  ::)
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TheBoy

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Re: power loss
« Reply #6 on: 01 March 2007, 22:07:16 »
In that case, I suspect something more fundamental with g/box, going on assumption that Sport mode is fine, std mode is not, and no warning lights...
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TheBoy

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Re: power loss
« Reply #7 on: 01 March 2007, 22:09:13 »
If its still flat in Sports, then fuel filter, air filter, fpr are all things I would check...

Is the lack of power purely lack of power, or a misfire?
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meaney

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Re: power loss
« Reply #8 on: 01 March 2007, 22:09:45 »
any ideas on what i should do, bearing in mind that my local dealer reckons they dont work on auto boxes, in fact they say they dont have a lot of experience with the elite  ::)
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meaney

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Re: power loss
« Reply #9 on: 01 March 2007, 22:14:49 »
lack of power just, ive had new plugs,leads and dis pack done in december and ive also replaced the g,box fluid also had a new air filter and changed the engine oil and filter, havent had a new fuel filter, was last replaced around 10k ago
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TheBoy

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Re: power loss
« Reply #10 on: 02 March 2007, 07:57:27 »
Does it feel like its losing power simply because its in the wrong gear?
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Marks DTM Calib

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Re: power loss
« Reply #11 on: 02 March 2007, 09:08:13 »
Are the fuel filter and air filter in good nick......
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Matchless

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Re: power loss
« Reply #12 on: 02 March 2007, 09:31:21 »
Please confirm the engine management light behaviour......on with ignition and remains on until engine running, goes off 2 seconds-ish after startup ?
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