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Re: 92 CHEV PU C1500 4.3L FAILS NOX
Posted to Emissions Forum on 11/25/2000 2 Replies

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This is contradictroy to your lean condition, What is pulse width at idle.

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You could try the capacitor trick ,I believe its a .01 microfar... Login to read more.

2 Replies Received (View Replies)