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· Super Moderator
1966 Crown Coupe, 2016 200 S AWD, 1962 Lark Daytona V8.
17,567 Posts
The electrical problem should be checked out for alternator/battery terminal/wiring problems. Fluctuating voltage certainly does not do any favors to the control modules.
Any PCM/TCM fault codes? The later TCM software had improvements to reduce sensitivity to intermittent electrical issues.
An ambient/battery or ATF temp sensor may be acting up.
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