Malibu 3 6 Engine Diagram Caution: make sure the transmission is in park and the key is off. jumping it this way will provide power to the starter solenoid, which should then make the engine turn over. if it doesn't, start looking at the starter and solenoid itself. also, try swapping the 4 pin starter relay with another to see if the relay itself needs replaced. And on connector x3 terminal 73 (black) a ground. terminals 19 and 20 are the ecm and ecm ign fuses. if you see less than b voltage there is a problem with the wiring from the underhood fuse box to the ecm. terminal 73 grounds to the engine on the 2.4, g107. so if everything on the start circuit looks ok and the ecm is getting power and ground.
Chevy Malibu Starter Problems Barrie Derosby 1. battery cables. if you have a battery post that looks like this, it may be keeping your malibu from starting. start by taking a look at the battery posts. if they are loose or corroded, it acts as a barrier that can keep the starter from getting the voltage it needs to crank the engine. However, bad alternator, clogged fuel filter, broken starter, blown fuse, empty gas tank, immobilizer error, or any fault in the electrical system can also cause your vehicle not to start. 1. weak battery. if your malibu’s engine won’t crank or cranks very slowly, then the most likely culprit is a weak or dead 12v battery. Vapor lock: high temperatures can cause fuel to vaporize in the fuel lines disrupting fuel flow and preventing the engine from starting. fuel related issues can significantly impact the starting of your chevrolet malibu. a malfunctioning fuel pump can disrupt proper fuel delivery to the engine leading to starting problems. Conclusion. in conclusion, if your chevy malibu won’t start but the lights come on, closely inspect your battery, alternator, and spark plugs. troubleshoot the ignition and confirm the starter’s integrity. ensure you’re in the correct gear and check your fuel filter and pump. lastly, assess engine compression.
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