Malibu 02 oem fuel injectors price?

I think my fuel injectors on the car are going bad as it starts poorly in cold weather, it has new spark plugs and plug wires, it has 90 premium fuel where manual calls for 87. Every now and then before it starts the car bangs or does something that you hear it coming out of the exhaust system. Also every now and then when it doesn't start when you turn the key on, you hear the fuel pump start the gas gauge goes up but after a few seconds of trying to start it the gas gauge drops to empty. Sometimes at that point if you try a couple of times you flood the engine but it does start. Sometimes the only fix is to let it heat in the garage overnight and thaw out.

I also sometimes smell fuel inside the car and sometimes while idling, the car's check engine light comes on and the error code comes on with misfire in cylinder X or Y.

I got quoted $285/injector+ 2 hours of labor to change all 6 injectors. This was at a independent shop not at the dealership.

Any advice?
Malibu 02 oem fuel injectors price?
take it to a reputable shop and let them see what it does after sitting all nite. they should have a GOOD scan tool( not a code reader) and a fuel pressure gauge installed before even attempting to start the engine. turn the key only to the run position, read fuel pressure and look at all live data on the scanner. if the misfires are cyl's 1/4 or 2/5 or 3/6 i would test the coil/s. also pull off the vacuum hose to the fuel pressure regulator and make sure there is no liquid fuel in it. there is a diagram under the hood which will help you locate it. g.m. injectors cause a lot of cyl misfires and ses lites, but not what you describe.

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