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Old 19-01-2006, 06:19 AM   #1
hambo_12
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Default Not Happy! (power loss)

Ive noticed lately that the power in my ute is down on when I first put the extractors on, and Ive got no idea why.

My ute is an AUII xr6 vct 5spd.
Streetfighter headers, 2 1/2 redback cat back exhaust
xr8 intake, kn panel filter

I took my brothers ute for a drive (175kw storm) just to see the difference. His pulls a fair bit harder than mine at the moment, and it didnt when I first got the mods done...

Now, with the mods done, Id expect my ute to beat his pretty easily, but it doesnt, and its a holden :

Havent changed plugs / leads in close to 30,000 k's, so that will be the first thing to change.

Any ideas?

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Old 19-01-2006, 12:46 PM   #2
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slower/ power loss with streetfighters.... dont tell me that, thats whats going on my car.
I dont know why though, and the plugs and leads should be fine..

sorry i cant help with anything else...
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Old 19-01-2006, 01:05 PM   #3
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Nah dont stress, when I first got them, I was over the moon, but now, its just not as fast....and I dont know WHY!!!
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Old 19-01-2006, 01:12 PM   #4
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ahh i got ya, so they were on there and running well then performance suddenly started to drop..
thank god lol..
maybe give it a big service?
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Old 19-01-2006, 01:15 PM   #5
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Quote:
Originally Posted by hambo_12
Nah dont stress, when I first got them, I was over the moon, but now, its just not as fast....and I dont know WHY!!!
is it actually down on power and speed, or is just that you are so used to it now it feels slow.
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Old 19-01-2006, 01:15 PM   #6
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The big service is on the cards, as I havent had a major one for a while now and 100,000k is just around the corner...
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Old 19-01-2006, 01:15 PM   #7
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Service sounds like a good place to start. Plugs, leads, air filter etc
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Old 19-01-2006, 01:16 PM   #8
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Maybe your actually getting used to the power...... such an ongoing problem!!
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Old 19-01-2006, 01:17 PM   #9
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Quote:
Originally Posted by EA2BA
is it actually down on power and speed, or is just that you are so used to it now it feels slow.
No, that is what I thought at first, but, when I first got the headers, I eat my brother's storm fairly easily, but now he beats me pretty easily, go figure.... :
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Old 19-01-2006, 05:42 PM   #10
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Mate the au reads its base maps with every mod and sabotages our power gains.You are still quicker but not as quick.If you arent getting more mods,get an edit or chip to get it running nice again.
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Old 19-01-2006, 05:52 PM   #11
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Reset the ECU hambo.. I think you will be suprised at the difference it makes.
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Old 19-01-2006, 05:52 PM   #12
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maybe your bro has got some mods done which are discreet he just hasnt told you
always a possibility.
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Old 19-01-2006, 05:54 PM   #13
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maye your bro has got some mods done which are discreet he just hasnt told you
always a possibility.
haha good one ...could be true.
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Old 20-01-2006, 05:50 AM   #14
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Quote:
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Reset the ECU hambo.. I think you will be suprised at the difference it makes.
Now why didnt I think of that?

Will do on the weekend, and see what happens. If it does fix the problem a bit more, might be time for an edit of chip...
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Old 31-01-2006, 12:35 PM   #15
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Well, I took the advice and reset the ECU on the weekend, and boy, what a difference! It really feels like it come to terms with the mods I did (namely headers).

I didnt reset the ecu after putting the headers on, so I think that made the difference...
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Old 31-01-2006, 12:36 PM   #16
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Did you do the whoel idle with a/c on for 2 minutes, idle with a/c off, etc? Or just disconnect battery, leave it for a while, then reconnect and take it for a blast?
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Old 31-01-2006, 12:37 PM   #17
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Quote:
Originally Posted by JC
Did you do the whoel idle with a/c on for 2 minutes, idle with a/c off, etc? Or just disconnect battery, leave it for a while, then reconnect and take it for a blast?

Yeah, followed the instructions on aufalcon.com, I never thought reseting the ecu would make so much of a difference, but it did, feels like it should be feeling for the mods on it...
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Old 31-01-2006, 12:57 PM   #18
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Glad to hear it worked. Suprising how much if a difference it can make huh?
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Old 31-01-2006, 01:02 PM   #19
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Yep, im in love again...(but already too used to the power - need more!)
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Old 31-01-2006, 09:10 PM   #20
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hahahah, we all face this problem hambo_12!
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