Spark Knock Re-Flash

From: Canucker Trucker (flamindakman@yahoo.co.uk)
Date: Thu Aug 22 2002 - 14:03:38 EDT

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Hi all, one of the TSB's that Nelson found for me was for a PCM re-flash to
cure spark knock and idle fluctuation (or sagging as they call it).

Has anyone ever had this done to their truck? It may help the F&B TB guys
that have the idle fall and almost stall, then recover. ... the TSB is
18-001-01.

I'm just worried that all they do is retard the base timing a bit (and kill
a bit o' power).

The only time I get spark knock is at WOT at a low RPM.

Any thoughts?

--
Canuck
--------------------------------------------
Y2K, 4.7L, 2wd, 5spd, The Ultimate K&N HomeBrew, Flowmaster CatBack, Home
Ported TB
http://www.twistedbits.net/WWWProfile/dakota/Vyikam1jjgNN6

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