Insufficient Engine Temperature; Low Engine Oil Pressure; Battery Will Not Come Up On Charge - Mercury V-6 series User Manual

CA448

Insufficient Engine Temperature

Possible Cause
Faulty Thermostat.
CA449

Low Engine Oil Pressure

Possible Cause
Insufficient oil in crankcase.
Excessive oil in crankcase
(causing it to become aerated).
Diluted or improper viscosity
oil.
CA450

Battery Will Not Come Up On Charge

Possible Cause
Excessive current draw from
battery.
Loose or dirty electrical
connections or damaged
wiring.
Alternator drive belt loose or in
poor condition.
Unacceptable battery
condition.
102
Remedy
Replace.
Remedy
Check and add oil.
Check and remove required
amount of oil. Check for cause
of excessive oil (improper
filling, bad fuel pump, etc.).
Change oil and oil filter, using
correct grade and viscosity oil.
Determine cause for dilution
(excessive idling, faulty fuel
pump, etc.).
Remedy
Turn off non-essential
accessories.
Check all associated electrical
connections and wires
(especially battery cables).
Clean and tighten faulty
connections. Repair or replace
damaged wiring.
Replace and/or adjust.
Test battery.