mercury 225 efi rough idle

C

corvettejoe

Recruit
Joined
Jun 16, 2009
Messages
1
hey guys, my 02 merc 225 efi spits and sputters at idle in neutral and in gear. a little bit worse when its in gear. it runs fine at wide open throttle or when running anywhere higher than idle. any ideas??
 
K

kanghee

Cadet
Joined
Oct 6, 2008
Messages
13
Re: mercury 225 efi rough idle

Check all of your bleeder lines for tight connection and proper placement. If that is good, the it is probably your injectors, water or dirt. Mine did the same thing and I had to rework my bleeder lines and injectors.
 
M

mayo02

Recruit
Joined
Jun 19, 2009
Messages
2
Re: mercury 225 efi rough idle

check your idle stabalizer module. When they go bad the engines has a hard time at idle.
 
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