Start by charging battery then load test battery.Then if all ok chevk charge rate to make sure alternater working.Batteries last on average 4 years.Has this vehice got burgler alarm.Also has it got any lughts in glove box.Boot.Interior light that can be staying on slowly draining battery.
Check all connections and clean all the cables and the power distribution box and check fuses and relays download your owners manual for the diagram of the fuse boxes
Answers & Comments
Start by charging battery then load test battery.Then if all ok chevk charge rate to make sure alternater working.Batteries last on average 4 years.Has this vehice got burgler alarm.Also has it got any lughts in glove box.Boot.Interior light that can be staying on slowly draining battery.
Check all connections and clean all the cables and the power distribution box and check fuses and relays download your owners manual for the diagram of the fuse boxes
Check fuses and relays for that particular circuit.Could be fuel pump is bad or blown fuel pump fuse or fuel pressure regulator valve is bad.