Fault code

Bernie Benz b.benz at charter.net
Mon Dec 17 16:31:47 PST 2007

The ISV is a throttle bypass, supplying MAF metered air over and  
above that allowed by the closed throttle position to maintain the  
ECU programed idle speed. Maybe the ECU is calling for a higher idle  
speed than a gummed up ISV will provide in required additional alr.  
No, to your last Q.


On Dec 17, 2007, at 2:49 PM, Brandon Rogers wrote:

> "Idle air adaptation limit not reached" - sorry did not look at or  
> save
> the fault code # - but I'm sure I could start it back up and get it if
> needed...
> engine cuts out when starting to get moving, slow to rev, is jerky, no
> power, then goes pretty much fine at high rpm - check engine light  
> (OXS)
> goes out.
> Makes me think ISV and I also checked SJM (quickly) and if I looked at
> the correct fault code it is pointing to the ISV and MAF.  Any  
> insight?
> Also could a dying ISV cause a rich idle condition?
> TIA-
> Brandon
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