1999 Four Winns 220 Horizon with 5.7 gsi.
Instrument gauges on the cluster have gone stupid. Most importantly the temp gauge fluctuates and operates sporadically. Sometimes it shows nuclear meltdown but when IR temp gun test, fresh water pump flow test, and hand on headers test all prove the...
My 2000 Four Winns boat slows at higher rpms. Around 3500 on the tach it will auto shut down, not die, just slowdown. Runs smoother than a sewing machine at all rpms below 3500.
I searched the forum and found a few with the same issue, but no exact remedy. The only step I have taken is to...
My 2000 Four Winns boat has a 5.7 Volvo/OCM motor with TBI.
The temp gauge on dash is showing nuclear meltdown.
1. The raw water impeller is brand new.
2. The tstat has been replaced with new 160F tstat.
3. IR temperature gun shows the tstat is working perfectly. The tstat housing shows 160F...
2000 Four Winns with a 1998 style 5.7. OCM or Volvo Penta GSI?
I recently bought this boat. Service records show the block was replaced when previous owner didn't freeze proof and caused a block failure. The ECM has a model and serial number that lead to Cobra OCM but the TBI cover clearly...
