• Tiny
  • Anonymous
  • 2002 GMC Sierra
  • 92,000 miles

4.3L Starts but does not stay running, I replaced the fuel Filter and pump what do I do next

Sunday, December 23rd, 2012 AT 4:37 AM

1 Reply

  • Tiny
  • JDL
  • Expert
  • 16,289 posts

If you have the spider fuel system, it is known for problems. Did you use a gage and check fuel pressure. Sometimes the poppets need cleaning. If it is a fuel issue? Are there any applicable trouble codes? To check for codes, at the least, you need an obd2 code reader.

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Sunday, December 23rd, 2012 AT 5:03 AM

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