ulysees Posted February 26, 2011 Share Posted February 26, 2011 She drives fine and pulls well but at the 5000 ish rpm and upwards she's holding back and not pulling well at all. Also when started from cold she hesitates on pull off very briefly just once and then ok. Any ideas peeps, thanks. Link to comment Share on other sites More sharing options...
TonyP Posted February 26, 2011 Share Posted February 26, 2011 Mine does the same. If I drive normally it's fine but if I floor it that's when I get the problem. Link to comment Share on other sites More sharing options...
Parsons76 Posted February 26, 2011 Share Posted February 26, 2011 Mine does the same. Hopefully someone will come up with some suggestions. Link to comment Share on other sites More sharing options...
richarde7927 Posted February 26, 2011 Share Posted February 26, 2011 I to have sort of the same problem . it holds back when cold but it stops after 2 mins of driving , This is the silly part it does miss/ hold back for want of a better word at high revs, almost like the start of boost cut but not all the time out of 10 times ill drive the car ill get it once. From what i have read on here coil packs and the coil pack connectors are commen problems so i will start my search there . Rich. Link to comment Share on other sites More sharing options...
Nic Posted February 26, 2011 Share Posted February 26, 2011 The 2JZ-GE has a variable induction system to maximise the torque/power across the rev range - the reason why the manifold splits into two separate runners - a butterfly valve opens around 5K rpm which causes the power surge you feel. It sounds like the butterfly valve is not opening, I think the pic you posted is the actuator for the valve, I've posted the service manual on your other thread which will hopefully help. Link to comment Share on other sites More sharing options...
Havard Posted February 26, 2011 Share Posted February 26, 2011 Could this not be a blocked fuel filter? Link to comment Share on other sites More sharing options...
Nic Posted February 26, 2011 Share Posted February 26, 2011 Or could be plugs - missed the bit about it hesitating at start up. Link to comment Share on other sites More sharing options...
ulysees Posted February 26, 2011 Author Share Posted February 26, 2011 The 2JZ-GE has a variable induction system to maximise the torque/power across the rev range - the reason why the manifold splits into two separate runners - a butterfly valve opens around 5K rpm which causes the power surge you feel. It sounds like the butterfly valve is not opening, I think the pic you posted is the actuator for the valve, I've posted the service manual on your other thread which will hopefully help. the valve wasnt opening cuz the arm wasnt connected but now it is and you can feel it, like you say the suge of power. i just need the C clip that holds it so it cant come off again. yeah got the link on other thread cheers mate. Link to comment Share on other sites More sharing options...
ulysees Posted February 26, 2011 Author Share Posted February 26, 2011 Or could be plugs - missed the bit about it hesitating at start up. Yeah ive got the plugs, hopefully fit them tomorrow weather permitting Link to comment Share on other sites More sharing options...
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