2003 Chevy Avalanche bogging down

Tiny
MORSOULGUITAR
  • 2003 CHEVROLET AVALANCHE

Engine Performance problem
2003 Chevy Avalanche V8 Two Wheel Drive Automatic

I changed my plugs and wires, but my engine still act like its missing boggs down till light dim.

Do you
have the same problem?
Yes
No
Sunday, February 7th, 2010 AT 10:06 PM

1 Reply

Tiny
RASMATAZ
  • MEMBER

Engine running rough or misfiring can be caused by worn or fouled spark plugs, a weak spark (weak coil, bad spark plug wire), loss of compression, vacuum leaks, anything that causes an unusually lean fuel mixture (lean misfire), an EGR valve that is stuck open, dirty fuel injectors, low fuel pressure, or even bad fuel.

Was this
answer
helpful?
Yes
No
Monday, February 8th, 2010 AT 5:21 AM

Please login or register to post a reply.

Other Engine Low Power Questions