Thread: CIS problem
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mas88s mas88s is offline
Registered User
Join Date: Jan 2007
Location: Sassamanville, Pa
Posts: 70
I rebuilt the FD.
Watched the videos, read the directions and took my time.
Just the O rings and diaphragm. Note the diaphragm had multiple pin holes in it.
I put it in open loop (disconnect the O2 sensor) and readjusted the ARF's and idle.
Car runs fantastic......spirited 20 min ride yesterday.
Better than it has in many months. Very smooth and the AFR's all behaved through the power curve.
Should I go after whatever is making the frequency valve go coo-coo or forget about it?
O2 relay/temp sensor.
From what I've read Lambda is just a emissions add on and I am exempt here in Pa.
Also, Thank you Brian and T77 for pointing me in the right direction. I have been chasing this problem for a long time and I think ......You know
Old 07-17-2017, 06:10 AM
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