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Engine will not start

Tiny
KB LALA
  • MEMBER
  • 2007 CHEVROLET SUBURBAN
  • 5.3L
  • 2WD
  • AUTOMATIC
  • 270,000 MILES
Truck was running just fine but now won't crank but lights until I try to crank it and it's like the car doesn't work. What could it be?
Saturday, February 26th, 2022 AT 4:01 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,758 POSTS
Hi,

When you turn the key, does the starter engage and the engine fails to start, or does nothing happen?

If the starter engages, it could be a few different things. For example, a faulty crankshaft position sensor or low/no fuel pressure. If the starter doesn't engage, then we could have a weak battery or an issue with the starter circuit.

Let me know exactly what happens. Also, if you haven't already, I need to confirm the battery is good. Here is a link that explains how to load test a battery at home without tools. Do this and let me know the results.

https://www.2carpros.com/articles/car-battery-load-test

I will watch for your reply.

Take care,

Joe
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Saturday, February 26th, 2022 AT 10:23 PM

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