Car bogs under steady throttle.

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Old Aug 11, 2010 | 02:42 PM
  #1  
Econo'Box's Avatar
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From: Not in Cali, US
Default Car bogs under steady throttle.

While driving with the car at steady throttle the car will randomly cut out momentarily and then come right back sometimes even bucking if at low speed. The car will do this while applying gas at idle as well.

At idle if I apply throttle sometimes it will go to 2000 and bog or it may go all the way to redline with no problem.

The car has no problem at all with abuse. WOT the car will go through the gears with absolutely no problem.

Motor is LS/VTEC. B18a block with B17 head. p30 pistons and Hondata s300 for the ECU.
There are no codes being thrown and the graph on my datalog just shows the car getting rich momentarily when the rpms drop.

My ideas...
-TPS (checked and calibrated. Seems to be fine and shows smooth readings in s300)
-Dizzy
-ignitor (brand new)
-Cap (brand new)
-Rotor (brand new)
-Plugs (brand new)(currently BKR6E-11 will change to BKR7E-11 as soon as they show up)
-Wires (Honda Original plug wires no obvious dry rot or arching)

Please offer suggestions as to what to look for this is an annoying problem to have.
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Old Sep 11, 2010 | 12:12 AM
  #2  
bukben817's Avatar
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Joined: Aug 2008
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From: fort worth, texas, us
Default Re: Car bogs under steady throttle.

its your injectors i have the same problem wit my lsvtec ...im running obd1 p72 head and a b18b1 block the same thing that happen to me ...i jus went to auto zone to get some injector cleaner if that doesnt work your injectors are bad ...let me kno if this works
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Old Sep 11, 2010 | 02:06 AM
  #3  
rd91sib18c5r's Avatar
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Joined: Sep 2007
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From: portland, Or, USA
Default Re: Car bogs under steady throttle.

Sounds like a bad throttle position sensor, You can check it with a volt meter.
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