[urq] Warning about Fuel Pressure Accum.

James Howard ur.quattro at ntlworld.com
Tue Jan 27 19:43:55 EST 2004


Comments inserted...
----- Original Message ----- 
From: "Ashley Cobain" <ashleyj.cobain at virgin.net>
To: "Robin Gilmour" <quattroguy83 at yahoo.com>; <urq at audifans.com>
Sent: Sunday, January 25, 2004 7:04 PM
Subject: Re: [urq] Warning about Fuel Pressure Accum.


> Please excuse my ignorance but what is the precise function of the fuel
> accumulator?
> It is supposed to maintain system pressure when the engine switched off?
Yes, and take up any sudden demand spikes when you floor the throttle

> In other words could this be my problem with cold starts? Hot starts are
fine.
More likely to cause probs with hot starts ISTR.

> Mixture is not a problem during cold starts, once started. The warm up
> regulator is working because the air fuel meter shows it is doing it's
job.
> The problem is that I have to crank it lots before it fires. Is this
because
> it has lost system pressure over night and I then have to crank for fuel
> pump to restore pressure?
Don't think so, I wouldn't expect it to hold pressure right through the
night.
Wish I knew what was causing the occaisional long cranking cold starts on
mine! Start by checking your battery is good and fully charged.

Jim.
>
> Look forward to receiving your thoughts
>
> Keith
>
> '87 WR



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