Cold Start Devices

[Ti Kan]

CTDiesel at aol.com writes:
> On an 87 4kq can someone tell me which device or decvices are responsible for
> enrichening the mixture during cold start?  Besides the Cold Start Valve
> which only is active for a few seconds.

With CIS-E (which is what the 87 4Kq has), the only cold start aid is the
CSV.  After start, cold running enrichment is provided by the differential
pressure regulator, under ECU control.

-Ti
2003 A4 1.8T multitronic
2001 S4 biturbo 6-sp
1984 5000S turbo
1980 4000 2.0 5-sp
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