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My 2004 vy ecotec auto is struggling under power and I'm not sure why any ideas?

Jordanb

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It struggles if i try to take off hard or accelerate hard from low speeds only seems to happen when i try to accelerate hard I recently upgraded these things trying to fix the problem including - spark plugs, coil packs, ignition leads and I also change the oil + filter and air filter pretty regularly I'm no mechanic but do all my own work on the car as I can't afford to take it to a shop so any help would be muchly appreciated thanks, Jordanb
 

greenacc

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Checked for error codes?
 

Jordanb

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Checked for error codes?
I don't have a reader but will an error code show up in the not sure the name of the mode some call it police mode or whatever you can cycle through the comp and it will come up with codes but all 0's
 

krusing

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Is the Engine Check Lamp on, on the Dash ?
Also What Suburb you live in,
As there are some members that may help you out, if you indicate your Suburb.
 

Jordanb

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Nah mate no lights on dash or anything that would indicate a problem and I'm in weribbee​
 

krusing

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Drewie

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When did you last change the fuel filter? Might be partially blocked.
 

tml678

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I'd give the throttle body a good clean too, the fact that it only plays up under hard acceleration might suggest that the butterfly is sticking a little when you give it a bootful.
 

Jordanb

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I'd give the throttle body a good clean too, the fact that it only plays up under hard acceleration might suggest that the butterfly is sticking a little when you give it a bootful.
Thankyou could you recommend a cleaning method?
 
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