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International Automotive Technicians Network
Re: 92 Caddy, pinging and NOx.
Posted to Emissions Forum on 2/14/2003

OK...IATN does it again. Its fixed.

Me and Danny chewed on this one a bit. We decided "ANY BACKPRESSURE FELT WITH EGR VALVE REMOVED *SHOULD* BE ENOUGH".

OK, we blew that one a bit. There was a WISP of pressure at 1500-2000 rpm, generous amount under accel,... Login to read more.