Re: Stumbling GTV6 below 3500 rpm

["Rich Wagner" <drsavage@domain.elided>]

Brian wrote:

>I have a 85 GTV6 Callaway. It has developed the following characteristics:
>1) Starts harder than it did prior to the problem.
>2) Idle appears low and uneven.
>3) Once warm it has a pronounced stumble and occasional backfire until the

>rpm's exceed 3500. After that point it appears to operate fairly normal
but 
>with somewhat less power.

Well, it's hard to say much without a bit more analysis, but one
possibility is that it's running lean.  With the engine idling, try
disconnecting the O2 sensor, and see if the idle doesn't go back to near
normal.  Write us back with the results.


Rich Wagner
Montrose, CO
'82 GTV6 Balocco

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