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LS/VTEC no low end power....help

Old Nov 24, 2003 | 08:15 AM
  #11  
chingro's Avatar
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Default Re:LS/VTEC no low end power....help

well guess what guys, i fixed 90% of the problem, the Idle air control was bad (i changed that) AND i had a vacume leak on the intake manifold gasket (changed that too) then i changed the TB gasket, and the bottom end is alot better.

but i still feel a slight lag below 3500-4000, so an adjustable fuel pressure regulator is next to be installed.

the car idles GREAT, and it feels alot better.
Old Nov 24, 2003 | 08:20 AM
  #12  
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Default Re:LS/VTEC no low end power....help

Originally Posted by chingro
well guess what guys, i fixed 90% of the problem, the Idle air control was bad (i changed that) AND i had a vacume leak on the intake manifold gasket (changed that too) then i changed the TB gasket, and the bottom end is alot better.

but i still feel a slight lag below 3500-4000, so an adjustable fuel pressure regulator is next to be installed.

the car idles GREAT, and it feels alot better.
bwahahaha! i just had the same problem with my car! had a leak in my tb gasket and the o ring around the iac valve.
Old Nov 25, 2003 | 07:31 PM
  #13  
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Default Re:LS/VTEC no low end power....help

I don't even have a throttle body gasket. I will get one tomarrow.
Old Nov 28, 2003 | 12:58 AM
  #14  
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Default Re:LS/VTEC no low end power....help

Well I fixed the sticky throttle body but I still have a problem with my lower end. Plus when it warms up I have a bouncing idle. I might have some coolent lines mixed up or something. Anybody have any ideas?
Old Nov 28, 2003 | 07:33 AM
  #15  
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Default Re:LS/VTEC no low end power....help

still have a vac leak somewhere.
Old Dec 6, 2003 | 05:28 PM
  #16  
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Default Re:LS/VTEC no low end power....help

Yeah I fixed my bouncing idel by looking at the coolent lines. Right under the throttle body is where you can get into trouble. The coolent lines that come out of the intake maifold should go into the throttle body and some other ----. when it exits that part it should go into the therostat houseing. In some intake manifolds you will have a nippple left over. Just use a hose and clamp it on there and then block off that nipple.
Old Dec 6, 2003 | 11:21 PM
  #17  
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Default Re:LS/VTEC no low end power....help

untill you get a chance to add more fuel, It might help abit to set your timing at around 18-19 base. B16's run about 3-4degrees less timing than b18's.

Have access to a FPR? adding 4-5psi should get you close with the fuel.

Your plugs are a bit white huh?
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