Dear Sir / Madam, The Cylinder.

Tiny
KHLOW2008
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No, the scanner can only read the ignition timing but cannot set it as the ignition timing is computer controlled.

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Saturday, November 3rd, 2012 AT 11:38 PM
Tiny
KRIPALU
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I was using an Autoboss V30 Scanner. There is a option "Ignition Testing". The Ignition Timing could have been increase or decrease at that moment.

However, the ignition timing came back to its original value on restarting. Can you tell me the main purpose of "Ignition Testing" on this Scanner?

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Saturday, November 3rd, 2012 AT 11:47 PM
Tiny
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The testing is for the advancing or retarding of the ignition timing. This might help in diagnostics and if you advance the timing too much, the knock sensor would tell the computer to retard it.

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Sunday, November 4th, 2012 AT 8:56 AM

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