[DML] Re: Engine running half rich half lean.

["content22207" <brobertson@xxxxxxxxxxxx>]

It was the passenger bank running lean, so the problem would be on
driver's intake rail (the rails cross over before going into the
cylinder heads). Brake booster and HVAC canister is fed from the
passenger rail (cylinders 4-6).

Spark advance and full throttle enrichment are possibilities, as are U
pipe mating surfaces, a couple of pipe plugs, and of course the
throttle plate and housing.

Bill Robertson
#5939

>--- In dmcnews@xxxxxxxxxxxxxxx, "Harold McElraft" <hmcelraft@xxxx> wrote:
> David T (I believe it was David that mentioned this)is probably right 
> about a major vacuum leak on the lean bank. If the vacuum lines are 
> original, especially the ones going to the brake and canister they 
> are probably leaking at the connections as the old hoses get too hard 
> and the sealing by the hose is lost. The rest of the problems I think 
> relate to something else as I put in my note.
> 
> Harold McElraft - 3354
> 
> 
> --- In dmcnews@xxxxxxxxxxxxxxx, "John Hervey" <john@xxxx> wrote:
> > Harold,
> > From what I understand from talking to Jeremiah is that 3 plugs on 
> one side
> > are burning rich and 3 plugs on the other side are burning lean. 
> This has
> > really got me thinking as to what could cause that.
> > John
> > 
> > 
> > 
> 
> [very long quote snipped by moderator]




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