OBD2 CODE READING PO300

  • Tiny
  • sunnylexus
  • 2002 Chevrolet Suburban
  • 150,000 miles

Obd2 code reading po300. Engine lope on #3& 4 cyclinders. Change spark pluges-coil-injecters and wires. 2002 chev silverador.

Sunday, January 20th, 2013 AT 5:05 PM

1 Answer

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,549 posts

Wow, lots of parts.

Start with basics, compression and fuel pressure.

Roy

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Sunday, January 20th, 2013 AT 6:20 PM

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