97 yukon shudders on accel

[firedog]

so i checked my egr valve, looks clean, moves freely, but again unplugged and skip went away WTF?????? Im hopin the response will be that its putting it in "limp" mode as before with unplugging TPS.

 

[SunlitComet]

Sorry I forgot about this post. You can get the spider assembly and plenum gasket for $215 at amazon. It sounds like your assembly is on it's way out. Can you use the scanner to get a misfire history for the cylinders?

 

[firedog]

yea it will be the first of the week before i can though, as it is locked in my toolbox at work lol