Gtz stuttering

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Gtz stuttering

Postby TRD_ZERO » Thu Mar 12, 2009 5:27 pm

Yes i ve read the other post that are similar to this but i have specific symptoms that id like to explain first that might be able to help point out the problem quicker.

Its a facelift ae92 gtz map sensored. Drives fine and comes on boost just fine no problems. If my revs are under 3500 and i put more than 1/4 throttle it starts to stutter/miss all i have to do is back off the throttle until the revs get abit higher then im able to to increase the throttle. Sometimes if i just slowly increase the throttle it doesnt have this problem.
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Postby themaleman » Thu Mar 12, 2009 8:59 pm

dose it happen no mater how much gas u have?
the faster u go, the quicker u get there

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Postby TRD_ZERO » Thu Mar 12, 2009 10:04 pm

yep
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87 mazda etude turbo, 88 Starlet turbo s, 89 trueno GTZ - Thunder, 93 corolla wagon, 92 fxgt

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Postby levinguy » Thu Mar 12, 2009 10:10 pm

checked the conditions of the plugs and leads?
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Postby TRD_ZERO » Fri Mar 13, 2009 1:38 pm

yes i have, im wondering why it only stutters under higher load and then when revs are up its is sweet.
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87 mazda etude turbo, 88 Starlet turbo s, 89 trueno GTZ - Thunder, 93 corolla wagon, 92 fxgt

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Postby 85AW20v » Fri Mar 13, 2009 5:02 pm

Checked the timing lately? Could be knocking under heavy load and your knock sensor might be working. Not as much load under light acceleration.
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Postby TRD_ZERO » Fri Mar 13, 2009 6:31 pm

Desnt really feel like knocking but then i havent checked the timing at all.
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