2002 Chevrolet Suburban Obd2 Code Reading Po300 Engine Lope On 3 And 4

2002 CHEVROLET SUBURBAN
150,000 MILES
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SUNNYLEXUS
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  • 1 POST
obd2 code reading po300. engine lope on #3&4 cyclinders. change spark pluges-coil-injecters and wires. 2002 chev silverador.
Jan 20, 2013 at 5:05 PM
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ASEMASTER6371
  • ✓ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
wow, lots of parts.

start with basics, compression and fuel pressure.

roy
Jan 20, 2013 at 6:20 PM
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