leaking injector cause knock? - Saab 900 Bulletin Board - Saabnet.com
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leaking injector cause knock?
Posted by koda [Email] (more from koda) on Thu, 4 Jun 2009 13:47:30
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my 88 900t has been running great, then suddenly my car started to studder at about 5 or 6 psi. i unplugged the solinoid so as to be on base boost only and still get the studder problem. also checked the vaccume lines everywhere i could find and everything holds pressure.
i did notice that one of my injectors or just the lower injector seal is leaking gas, i can see bubbles between the intake manifold and the injector when i look at it right after shutdown. could this leak suddenly cause a knock that is the studder i am feeling?
can i make sure that what i am feeling is knock by unplugging the knock sensor and shorting the plug wires together and going for a quick drive?
also i put in different plugs about a month before this problem. they were an alternate namebrand for the 7es that are suppose to be in the motor
thanks for any info
posted by 72.173.47...
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