Using a scanner.
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Joined: Nov 2001
Posts: 915
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From: Erlanger, KY
Car: 1989 Iroc-z
Engine: 350 TPI
Transmission: Auto 700R4
Axle/Gears: 9 bolt - 2.77
Using a scanner.
I have a OTC nemisys scanner I use to scan cars with. When I hook it up to my iroc and look at the datastream, the idle kicks up to like 1000 rpm. Is it suppose to increase the idle and why? There is a few different modes when looking at datastream and I know one of them doesnt increase the idle. Cant remember what the modes are right off hand. Just wondering why the idle increases.
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From: Chasing Electrons
Car: check
Engine: check
Transmission: check
Re: Using a scanner.
With the 10K resistor required for the 8192 baud rate, this also puts the ECM in another mode. IIRC, it also adds spark advance when it does this.
RBob.
RBob.
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