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Old 10-20-2019, 01:43 PM
n518jh n518jh is offline
Join Date: Jan 2015
Location: Sun City West, AZ
Posts: 41
Default Run Up drops of 140-200 RPMs

Lately I have been having trouble starting my RV-12 (2009 Engine delivery). My mechanic seems to think it is bad Ignition Modules. I had a soft start since the beginning, now 400 hrs. The current soft start went bad (didn't start when installed, started when disconnected.)

In the last set of start ups, the drops when A only or B only were 200 and 130 respectively. Would that support the thought of bad ignition modules, or should something else be tried before ordering new? Help please, those new modules are apparently expensive. Mark 518JH

Last edited by n518jh : 10-20-2019 at 01:45 PM.
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