[V6-12v] Hesitation

Muhammad m at 90683.com
Thu Feb 12 11:06:36 EST 2004


In my experience, hesitation has been caused by either faulty spark plugs,
an old fuel filter, or most frequently, clogged injectors.

I've cured it by doing a motorvac fuel injector cleaning. Not sure if you
have motorvacs in the UK, but basically it's a system that bypasses the fuel
line and run the car on FI cleaner for 20-30 minutes. This "super shot" of
FI cleaner does the trick for me.



----- Original Message ----- 
From: <James4ihl at aol.com>
To: <v6-12v at audifans.com>; <spensko at cox-internet.com>
Sent: Thursday, February 12, 2004 8:37 AM
Subject: Re: [V6-12v] Hesitation

> Hi All --
> Regarding the hesitation problem I've asked about in previous posts:
> I've cleaned the MAF sensor. It's made the running better in other
> but hasn't cured the hesitation problem. I checked the vaccum system
> the intake manifold for joins/kinks/leaks and didn't find anything
obvious. The
> car is booked in to the garage to have it's fuel delivery/tank checked
(but as
> I mentioned before, the problem pre-dates a new pump/filter which weren't
> blocked when removed, so I'm a little dubious the problem lies there).
> Any other ideas from anyone?
> FYI - 1992 UK model A80 V6 2.8L, Manual, No EGR, Manual CO adjustment via
> sensor on this model (so no adaptation cycle on O2 sensors)...
> Cheers,
> James
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