Mitsubishi Lancer Register Forum - View Single Post - Evo IV Battery Draining
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Old 15-10-2019, 18:07   #4
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Join Date: Jul 2006
Location: Surrey
Car: VII FQ-300x2
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Most Evos will drain the battery in 2 or 3 weeks so a CTEK or similar maintenance charger is a must. However after 2 or 3 days suggests a fault somewhere. If you connect a fully charged battery and it still struggles to crank then it could be a corroded ground connection - this is another evo "feature"!
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