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Metal Guru
Join Date: May 2001
Location: Beverly Hills, Michigan
Posts: 2,526
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Quote:
Originally Posted by PorscheGAL
I wanted to follow-up on this post because I determined what the problem was. The issue is caused by heat affecting the O2 sensor. During the summer, the heat from stopping for gas or other brief stops caused the O2 sensor to read incorrectly. With the colder winter temps, the problem has gone away.
I do not have a heat shield and I figure I need to add one before summer to keep this from happening again.
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In addition to a heat sink you could change the weld-in bung to the 1 inch variety that Innovate now sells and see if that helps.
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Paul B.
'91 964 3.3 Turbo
Port matched, SC cams, K27/K29 turbo, Roush Performance custom headers w/Tial MV-S dual wastegates, Rarlyl8 muffler, LWFW, GT2 clutch & PP, BL wur, factory RS shifter, RS mounts, FVD timing mod, Big Reds, H&R Coilovers, ESB spring plates- 210 lb
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