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Old 03-08-2015, 07:21 PM   #1
First c10
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Join Date: Dec 2012
Location: Los Banos CA
Posts: 2,705
Lsx engine problem....misfire???

Hey guys today I went with my son out of town and after he got on it to pass a car the engine sounded like it was or had a misfire. It was sporatic. It's would like skip a cylinder or cough like an old small block. He said that it would do it only if he got on it. Hot rodding it. I had him pull over and shut it off. Restart it and it ran fine until he got on it again.
Does anyone know what it is or what I need to check?

2011 5.3L LC9-6L80E is the motor package.
Thanks Scott
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1970 K20 LWB project the Hulk build w/Supercharged 4.8L-ly2/4L60E HULK BUILD
1970 C10 Yellow/White Deluxe LWB w/ 5.3L-LC9/6L80E
1968 K10 LWB Dark green my son calls it "THE HULK Jr"HULK JR *SOLD*
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