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smurfbus smurfbus is offline
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Join Date: Aug 2009
Location: Europe
Posts: 1,378
I was a CIS noob a year ago. Had similar problems and bought the CIS pressure tester and installed WB AFR and followed the manual for checking different flows and pressures. In the end I pretty much understand the basics of the CIS system just by following the instructions I was given last year. I had wrong fuel head on my car and the symptom was too lean after 5000rpm.

Tell us your wur pressure readings: system (valve closed), cold (plug disconnected) and warm (plug connected).
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Last edited by smurfbus; 09-12-2011 at 10:15 PM..
Old 09-12-2011, 10:10 PM
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