WONT START

  • Tiny
  • hillbilly
  • 2001 Chevrolet Blazer
  • 6 CYL
  • 4WD
  • automatic
  • 150,000 miles

2001 blazer 4.3 vortec why wont my truck start unless I spray carb and choke cleaner in it but once I get it running it stays running and will restart unless it sits fora couple hours then I have to do it again

Sunday, January 23rd, 2011 AT 1:45 AM

3 Answers

  • Tiny
  • rasmataz
  • Member

Check the fuel pressure if its within specs if okay test the fuel pump relay and fuel pump and oil pressure sending unit-

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Sunday, January 23rd, 2011 AT 2:05 AM
  • Tiny
  • hillbilly
  • Member

Fuel pump is brand new and is right pressure and I guess im cofused why the oil sending unit might cause it and how do I check it?

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Sunday, January 23rd, 2011 AT 2:38 AM
  • Tiny
  • rasmataz
  • Member

Do you hear the fuel pump come on for 2secs when you turn key On? If not check ECM B fuse 20amp, fuel pump relay and the computer control of the fuel pump relay circuit-

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Sunday, January 23rd, 2011 AT 7:21 PM

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