What the problem - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 5 Old 05-18-2003, 08:46 PM Thread Starter
 
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What the problem

When I hit 3,000 RPM the boost kickes in the car jurckes. Y dose it do that.
Thanks


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post #2 of 5 Old 05-19-2003, 11:07 AM
 
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you'll need to be a little more descript than that to get some help.

my guess is you're boosting to high, and the ECU is pulling fuel cut to prevent detonation.

what type of EMS are you running. try to richen up the A/F a little before, and after 3K rpms, and see if the jerking stops.

how lean are you running her? stay to the rich side to be safe.

dR

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post #3 of 5 Old 05-19-2003, 01:12 PM Thread Starter
 
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I am running stock boost which is 5psi. How would I fix it if the ECU is pulling fuel? I am new to turbos. What is EMS? O ya the jerk just happen when it hit 3,00 RPM which where is the turbo spool up at and make boost. But after that it stop. It just jerks when boost first enter the motor. After it jerks it pulls hard.
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post #4 of 5 Old 05-19-2003, 02:46 PM
 
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EMS engine management solution also ECU

so you are still all stock for turbo and engine? what mods have you installed?

dR
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post #5 of 5 Old 05-19-2003, 10:04 PM Thread Starter
 
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ya I am still mostly stock. Installed MSD 6AL ,255 fuel pump, 75mm MAS, 30 pound injector that it.
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