car will not crank it does not have pulse on the injectors?

2007 CHEVROLET IMPALA

200,000 MILES • 3.5L • 6 CYL • 2WD • AUTOMATIC

HANKT75

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My care listed above quit pulling in 1 a couple of months ago however it drove just fine by manually shifting 1,2,3. so I decided to change the shift solenoids. well, that didn't fix the problem. then i dropped it off and they kept it forever and never did anything to fix. when I picked it up it would not start by the key they was spinning it over by the relay. I also noticed the shift indicator light is not working. well, I changed the transmission but actually I changed the motor and transmission because the unit was already out the car upon completion, the car will not crank. it doesn't have pulse on the injectors, so I changed the computer, still doesn't work. I'm wondering if I have a bad neutral safety switch.

Sep 3, 2025 at 3:11 AM

STRAILER

✓ASE Certified Mechanic
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Can you please clarify if the engine (starter) is working and the engine cranks over but does not start, or the engine will not crank over. if the engine is not cranking over how did you check the injector pulse? Make sue to check all fuses with the key on, also try to crank the engine over when the car is in neutral.

Here is a video to help get us started:

https://www.youtube.com/watch?v=6YRW8fyNudY

Please upload a video in your response of any problems so we can see :)

Sep 3, 2025 at 9:49 AM

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