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Old 01-21-2011, 02:18 AM
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ps2cho ps2cho is offline
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Join Date: Jun 2006
Location: Chandler, Arizona
Posts: 3,525
O2 sensor and mixture are responding normally....

45-55% duty cycle, O2 sensor 0.1v-0.9v. If I try to lean out the mixture, the engine becomes very choppy.

Brand new EHA and O2 sensor...all ignition components are new. No vac leaks. New fuel filter. That is why I believe it could be fuel related.

California, but as an 87 just has the O2 sensor light.
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Last edited by ps2cho; 01-21-2011 at 10:45 AM.
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