Low idle speed...

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Permalink Reply by Scott Harrison on April 10, 2010 at 11:16pm

If everything esle is checking out ok, its possible that you need to run teh system adaptation for the ECU, using a Bosch Hammer or JDS Spanner tool. It basically recalibrates the airflow for the ECU. I had a similar issue a while back (altho it was idling at 750rpms or so) and doing the system adaptation adjusted my idle up to spec.

If you are anywhere near the KC area, drop by and I can take care of it for you, as I have a JDS Spanner and access to a Durametrics set up.

Regards, ...Scott

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Permalink Reply by Chuck Krause on April 11, 2010 at 3:05pm

Scott-

Thanks for the reply! I didn't realize this was possible using the Hammer... I will be taking the car in and having it checked out after I've rechecked everything that could affect the idle! By the way, would disconnecting the battery do a reset as well?

I am near SF on the Left Coast, so it would a hell of a drop by... although as a kid we lived in Parkville for about 5 years in the 50's! Parkville had about 1000 residents and wooden sidewalks...

Thanks again!

-Chuck

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Permalink Reply by Scott Harrison on April 13, 2010 at 3:15pm

It won't reset by disconnecting the battery cables, as its an actual measurement of airflow over the sensors. By the way, be prepared to explain to the mechanic what you need, as most of them have no idea that the Hammer does this on a 968. Have them refer to page 03-23 of the FSM, under Section Heading 3.4 System Adaptation.

Let me know if you ever drop by the area to visit, first beer is on me! :)

Regards, ...Scott

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