Turns over will not start

Tiny
LARREY BROWN
  • MEMBER
  • 2005 CHEVROLET SILVERADO
  • 3.8L
  • V6
  • 2WD
  • AUTOMATIC
  • 120,000 MILES
Turn key on 3 times then it will start. Took truck to automotive service they said they ran diagnostic to determine it was the spider injectors, they replaced. Brought truck home 2 days past. This time had to pump the pedal as I was trying to start before it would start. Took truck back to service. They ran diagnostic determined it was the rotor and plug wires. Supposed to pick it up today. I thought diagnostic revealed all issues. Is it possible that an additional diagnostic would reveal something in addition to what what previously found?
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Wednesday, June 9th, 2021 AT 5:47 AM

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Tiny
KASEKENNY1
  • EXPERT
I think this is a common mistake that the shop says they ran diagnostics to figure out the issue. It gives the impression that they scanned the vehicle like a computer spyware scans its system to look for virus'. Unfortunately this is not the case. When they scan the vehicle they are just checking for codes. If there are no codes then the shop needs to test the systems that would cause this. This requires them to know what would cause this and test that system.

This issue sounds like a fuel issue. So we need to know what the fuel pressure is when this is happening. Here are some guides that will help with this:

https://youtu.be/dCjmRL3p4Cs

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

Below you will find the process from the manual that helps with testing the fuel system. However, if you let us know what they found that would help. I am interested to see what they found.
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Thursday, June 10th, 2021 AT 5:06 PM

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