bcleveland Posted July 6, 2018 Share #1 Posted July 6, 2018 My 1985 Venture Royale with 73,000 k's starting acting sluggish ..Starts up fine and idles fine for a bit then blogs down. Under load it feels sluggish and you can smell unburned gas. At same time the Tach gauge starting working intermitting . Plan on changing plugs as a first step(has new Battery). It was suggested even one bad plug can cause other electronic issues. Is this so? Link to comment Share on other sites More sharing options...
Flyinfool Posted July 6, 2018 Share #2 Posted July 6, 2018 About the only other issue a bad plug can cause is static on the radios. A big clue is the tach acting intermittently. The tach is driven from the primary side of the #2 ignition coil. When the tach goes out it means the #2 cylinder is not firing. Link to comment Share on other sites More sharing options...
cimmer Posted July 6, 2018 Share #3 Posted July 6, 2018 I would recommending checking the coils and the TCI unit as they could be causing your issues. Rick F. Link to comment Share on other sites More sharing options...
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