Question about Cars & Trucks
Motor will drop 600rpm at any speed without missing
First, you will get more response in the boat or outboard section of Fixya. You are listed under Cars and Trucks.
It will also help if you state the Year and size of the motor. If I remember correctly, some of the motors had screen filters for the fuel and some had individual feed lines to each cylinder.
Check your fuel lines so you know that you are not drawing air instead of fuel. Also if this is a 4 cycle motor, they had a low oil cutouts and they can work so fast that you would not detect a miss, just a drop of RPM.
Sparkplugs are reasonable, throw in a new set , keep the old ones for emergencies and see if that helps.
Relist in proper section if my solution does not work. Please rate.
Posted on Oct 25, 2012
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Posted on Jan 02, 2017
Yes,check the fuel pressure & filter. There's about a million other things to cause this,so start simple. Ask again if this doesn't help.
Posted on Jun 21, 2009
Tips for a great answer:
Oct 02, 2016 | Mercury Cars & Trucks
Apr 17, 2016 | 2002 Mercury Mountaineer
Dec 04, 2012 | 2000 Mercury Cougar
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posted in the wrong product category. Please select another category
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This is for car and truck problems related to factory installed systems not add on aftermarket systems.
This post can't be removed or moved, please re-post the question in the correct product category. Thanks
Oct 25, 2012 | Cars & Trucks
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Aug 12, 2009 | 2000 Mercury Grand Marquis
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