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JFairman JFairman is offline
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Join Date: Jul 2006
Location: S. Florida
Posts: 7,223
Tec-3 is Electramotive electronic fuel injection and ignition from around 5 years ago.
From your description it sounds like it's running lean in the steady cruise midrange and needs adjustment.

The oxygen sensor removal mentioned before is from the 1986 and later USA version CIS fuel injection lambda emission system and doesn't apply to your Tec-3 EFI.

The Halmeter is an old and obsolete narrow band AFR guage kit that has a very limited innacurate range and is totally useless for tuning a car.

You need a new design quality wideband AFR kit like an Innovate system to know what your AFR's really are or a good dyno with accurate AFR logging.
Old 06-18-2010, 09:51 AM
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