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Old 08-11-2005, 02:11 PM   #1
03WREX
Scooby Specialist
 
Member#: 38932
Join Date: Jun 2003
Location: Dirty South, CA
Vehicle:
2003 WRX
WRB - Cobb Stg2

Default Cobb Anti-theft map for compression test?

I want to do a compression check on my motor before upgrading to stage 2.5. I've read that I want to avoid having fuel being sprayed while I do the compression check so I wanted to know how exactly does the anti-theft map will work. From what I've read it sets the rev limiter to below idle which basically causes fuel cut immediately and won't let the car start. Can anyone let me know if this eliminates fuel from being sprayed or should I just try to find the fuel pump fuse?

For future Cobb stage 2.5 reference, I've read that it's a good idea to prime the turbo with oil before I start it for the first time. I could use the anti-theft map to crank the motor to prevent a dry startup, correct?

Thanks for any help.
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Old 08-11-2005, 04:29 PM   #2
Jaxx
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Member#: 177
Join Date: Aug 1999
Chapter/Region: NWIC
Location: Boise,Idaho,USA
Vehicle:
The 93 Imp W/EJ20K
flat black

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pull the fuse to the fuel pump and start the car and let it die
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Old 08-11-2005, 04:46 PM   #3
Rick Schu
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Member#: 34661
Join Date: Mar 2003
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Quote:
Originally Posted by 03WREX
I've read that I want to avoid having fuel being sprayed while I do the compression check so I wanted to know how exactly does the anti-theft map will work.
I don't think fuel will impact the readings, but its not exactly the best thing safety wise. There is a green connector behind the passenger footwell on the right. This is the fuel pump relay. Disconnect this. Start car until dies. Then try starting it again for 5 seconds.
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