Originally Posted by
metro1998
I have an engine vibration when in gear at idle (at stop light) if I put it in neutral almost all the vibration goes away. Once I'm driving there is no vibration, engine feels and performs normal. I have 96K on it. Please Help before I bring the car to someone.
My car is coming up on 48k miles and recently had the original plugs changed out. Compression checked out. Slowing to a stop or stopped I have to check the tach to make sure Marauder is still operating - it's that smooth (and quiet). Has a 'nervous idle' (slight shaking) in Park or neutral but firing evenly. Motor purring at tail pipes. Marauder does operate and idle better with 'no ethanol' gasoline. Ran well when I bought it at 39k miles but noticed that after 47k miles the idle quality was deteriorating - not as smooth as before - no codes or CELs. New plugs restored idle and lost performance I wasn't even aware was missing as the process is very gradual. Let us know what you find.
Current Garage:
2005 Mustang GT Premium
2019 Ranger Lariat Super Crewcab 4WD
2015 Triumph Trophy SE
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