Re: 88 528e races at cold start...
- From: "Dave Plowman (News)" <dave@xxxxxxxxxxxxxxx>
- Date: Mon, 06 Apr 2009 10:22:05 +0100
In article <vc6jt4hh8uhv1qphvnsvb7epnavblu8629@xxxxxxx>,
daytripper <day_trippr@xxxxxxxxxxxxxxx> wrote:
On Sun, 05 Apr 2009 22:36:59 +0100, "Dave Plowman (News)"
In article <k2oht417rbt08q18tbg804nqmvuqhuao6u@xxxxxxx>,
Frank H <gacksakura-unsubscribe@xxxxxxxxxxx> wrote:
I have had normal idle for over 10 years before this racing idle speed
started. 2300rpm at cold start is too high I believe. Something is not
right. Which sensor could cause this?
Assuming it's an injection engine check for air leaks round the inlet
system first. Unlike carburettors, these cause a fast idle.
But, he says once the engine has warmed up the idle rpms are normal.
Further, if the engine is warm, a restart does not produce the fast idle
I suppose an intake manifold leak *might* "heal" once the head has
That was my guess.
but it seems much more likely there's an engine temperature
sensor that has gone to Heaven...
I'm not certain what variety of injection was fitted to that model. Some
early systems didn't have ECU controlled idle. But I'm sure some searching
should give details of how it works on that particular one.
*When blondes have more fun, do they know it?
Dave Plowman dave@xxxxxxxxxxxxxxx London SW
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