Hello everyone,

This is an 88 2.0L Chev\Corsica with DIS and 175k on the engine. Failed HC on dyno [...] was 84ppm Reading was [...] had a noticeable [...] and Nox were well within limits,CO2 was 10-12%,and O2 was 2.0-3.0%.HC at idle was [...] is a look at t... Login to read more.

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