Re: Hesitation off the line when cold.

[David Head <dave.head@worldnet.att.net>]

Sounds like you need a new warmup regulator. Its that thing bolted to the side
of the engine where the braided lines run to and from the fuel distributor. It
has a bimetallic strip that adjusts fuel pressure as the engine warms up.

Jeff Goldberg wrote:

> When my engine is cold, I get a short lived hesitation when coming off the
> line ('86 4KCSQ). First start of the day is the worst, but the car runs
> great as soon as it warms up. I find that over riching the mixture avoids
> the hesitation. Any ideas or BTDT?
>
> TIA,
>
> Jeff
> 86 4KCSQ Daily Driver
> 86 4KS      Spare