Fuel pump check valve
dak at rochester.rr.com
Fri Sep 13 13:46:04 EDT 2002
I had this on my '87 5KTQ. It is because when things are cold, more fuel
is added. When things are warm, and the fuel pressure has bled off, not
enough gas gets in there. On the '87, I could actuate the cold start
injector for a few seconds, then fire it right up. Got better after
replacing the fuel pump (w/ check valve).
Eyvind Spangen wrote:
>If the cause for hard starting with a warm engine is a bad fuel pump
>check valve, why does it fire right up when cold?
>'89 Audi 80 2.0E quattro
>('90 Audi 200TQ20v - garasjedronning)
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