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2001 57 runs rough

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wej55

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"My 2001 5.7 Throttle body inj

"My 2001 5.7 Throttle body inj was running rough. Changed plugs,cap,rotor and fuel filter. All no help. Took the plugs out and #2 plug looks like it isn't firing. replaced #2 plug and wire and still no help. I hear a rap but can't determine where it is comming from. Would a compression ck tell me anything or should I just pull the valve covers to see if anything is going on ? Thanks"
 
"Ok I messed up it was #4 plug

"Ok I messed up it was #4 plug not firing. Anyway I did a compression ck today. The # for 2 - 8 where 170, 0 , 50, and 170.I guess I will ck under the valve cover next. Thanks for your guidence."
 
If the head gasket was gone wo

If the head gasket was gone wouldn't there be water in the oil?
 
"Ok, I guess I have tomorrow&#

"Ok, I guess I have tomorrow's work set up."
 
Thanks Guy. It was exactly wha

Thanks Guy. It was exactly what you said. The gasket has about 1/2 inch break between the 2 cylinders. I did ck the head and block with a straight edge and it looks good.Tomorrow I will replace the gaskets and see what happens. Thanks again.
 
"wej55:

Bert said it first;


"wej55:

Bert said it first; "Could be a blown Head Gasket"
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