Battery went low I tried to get a jump but it wont turn over. Do you mean it cranks and refuses to start or won't crank at all.
Lets assumed it cranks and won't start -Do below
Get a carb cleaner and spray into the carb or the throttle body on an EFI. Did it start and die? If not disconnect a sparkplug wire or 2 and ground it to the engine -have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel problem, check the fuel pressure to rule out the fuel pump and listen to the injector/s are they pulsing.
Fuel pump and Injector/s checks out-start checking the ignition system-power to coil, coil/s itself, distributor pick-up, control module, Cam and Crankshaft sensors.
If both fuel and spark is present-check the valve and ignition timing, this will lead you to problems with compression and valves opening and closing at the wrong time
If it won't crank at all-Get the battery load tested and go from there thru the ignition switch to the starter.
Monday, December 31st, 2018 AT 1:30 PM