SloBurn
Active Member
- May 30, 2013
- 842
- Boat Info
- 1994 270 Sundancer. 7.4L Merc. Tow with a 2006 Dodge RAM Hemi
- Engines
- 340 HP Merc 454 c.i.
My 94 270 Dancer temp gauge will go from 150 (normal) down to 100 and back up to 150-170 with in 3 seconds, sometimes it bounces higher and sets off my high temp alarm. Already replaced Sea water pump and impeller, thermostat, risers. Now I'm thinking sensor is NG?? Any suggestions?