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My remote starter didn't want to start the car this morning. It's been working fine up until today when the temperature dropped to 5-F last night. I sat in the car and used the remote start to see what was going on, and it fired up the motor for a second or so, then it shut down again right away. My in-car test was the 3rd start attempt..
During the start cycle there is a fuel pump relay that takes over to run the fuel pump. After the engine is running that relay turns off and the current for the fuel pump is supplied via the oil pressure sending unit If that relay fails then the car won't start until the oil pressure is up to three or four PSI.
Aug 25, 2018 · An engine is hard to start when it is hot, but runs fine without any issues. What could be the reason?