@need help@ 5.3l avanche

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January 27th, 2009, 2:16 PM

gsxr8711

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@need help@ 5.3l avanche

i have a 03 avalanche 5.3l , it started missing the other day, comes to find out, the 4 left cylinders have no combustion, they coils are firing, i thought my fuel rail was clogged, the mechanic said the rail was clear, any suggestions ?

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January 30th, 2009, 5:50 PM

gsxr8711

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thanks for nothing

found the problem, left cataletic converter was plugged up, hope this info will help someone else

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February 5th, 2009, 11:44 AM

ehhget

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I was thinking either that or the sensor on that side.

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