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Old 10-01-2012, 12:12 AM   #1
Frank-i-e
Scooby Specialist
 
Member#: 316463
Join Date: Apr 2012
Location: Houston, Texas
Vehicle:
2005 STi
World Rally Blue

Default Cyl 3 Roughness Count

Hey guys so I recently started feeling a shake sometimes when at idle when the car is cold and hooked up the AP and notices there was some roughness in cylinder 3. The highest the count got was to 4.

I swapped the injectors from cyl 3 to cyl 1 and the the roughness showed in cyl 1 and nothing in 3.

Would this indicate a leaky injector or could it also be a stuck one since it happens only at idle? Once going it has no issues.

Suggestions on replacing it or anything recommended to use in the fuel as far as cleaning goes?

Thanks guys!!
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