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12-23-2010, 01:11 PM
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#1 |
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Scooby Newbie
Member#: 230513
Join Date: Nov 2009
Chapter/Region:
MAIC
Location: Warrenton, Va
Vehicle:2001 rs/wrx/sti swap black |
car pulses while driving
i have an 01 rs with a 06 wrx swap, the engine feels like it pulses at 2500 rpms, but if i let off the rpms drop and almost cut out, ive put new gaskets on the intercooler and y-pipes, and checked the hot and cold side, i cannot figure it out, can you help
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12-23-2010, 02:04 PM
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#2 |
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Scooby Specialist
Member#: 210061
Join Date: Apr 2009
Chapter/Region:
BAIC
Location: Elk Grove, CA
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Automatic?
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12-23-2010, 02:23 PM
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#3 |
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Scooby Newbie
Member#: 230513
Join Date: Nov 2009
Chapter/Region:
MAIC
Location: Warrenton, Va
Vehicle:2001 rs/wrx/sti swap black |
no, ver 1 sti man
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12-23-2010, 06:14 PM
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#4 |
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Scooby Newbie
Member#: 190003
Join Date: Sep 2008
Chapter/Region:
AKIC
Location: Fairbanks Alaska
Vehicle:2000 RSTi BW8375 Blue |
how long / frequent are the durations? if it's like a power surge for one sec, goes away for a second, comes back for a second, repeats ... its probably your o2 sensor =)
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12-24-2010, 09:42 AM
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#5 |
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Scooby Newbie
Member#: 230513
Join Date: Nov 2009
Chapter/Region:
MAIC
Location: Warrenton, Va
Vehicle:2001 rs/wrx/sti swap black |
It does it when it when it warms up
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12-24-2010, 11:49 AM
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#6 |
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Scooby Newbie
Member#: 254408
Join Date: Aug 2010
Chapter/Region:
MWSOC
Location: Wisconsin
Vehicle:2008 Impreza WRX Silver |
map or maf?
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12-24-2010, 11:52 AM
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#7 |
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Scooby Newbie
Member#: 230513
Join Date: Nov 2009
Chapter/Region:
MAIC
Location: Warrenton, Va
Vehicle:2001 rs/wrx/sti swap black |
...maf
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12-24-2010, 02:08 PM
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#8 |
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Scooby Newbie
Member#: 230513
Join Date: Nov 2009
Chapter/Region:
MAIC
Location: Warrenton, Va
Vehicle:2001 rs/wrx/sti swap black |
Now it shuts off at idle, could it be a fuel pump
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12-24-2010, 04:21 PM
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#9 |
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Scooby Newbie
Member#: 254408
Join Date: Aug 2010
Chapter/Region:
MWSOC
Location: Wisconsin
Vehicle:2008 Impreza WRX Silver |
if its maf how is your blow off valve routed?
Are you atmospheric or recirc? |
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12-24-2010, 05:14 PM
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#10 |
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Scooby Newbie
Member#: 230513
Join Date: Nov 2009
Chapter/Region:
MAIC
Location: Warrenton, Va
Vehicle:2001 rs/wrx/sti swap black |
Stock recir valve routed to stock hose, has been tunned 3months ago
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12-24-2010, 08:42 PM
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#11 |
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Scooby Newbie
Member#: 230513
Join Date: Nov 2009
Chapter/Region:
MAIC
Location: Warrenton, Va
Vehicle:2001 rs/wrx/sti swap black |
As well it the throttle duty percentage is all over the place, and when I stop after driving runs rough and shuts off, and throws every misfire code ass well as pfffe and pffff
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12-24-2010, 08:51 PM
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#12 |
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Scooby Newbie
Member#: 230513
Join Date: Nov 2009
Chapter/Region:
MAIC
Location: Warrenton, Va
Vehicle:2001 rs/wrx/sti swap black |
And could it be the wastegate solienoid, I've had it tuned with a machV electronic boost solenoid three months ago, this just started on the 20th of dec
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