Hesitation

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AngelBarrientos18

AngelBarrientos18

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I changed the egr valve and idle air control valve on my 94 GMC Sierra and it still hesitates sometimes like when I’m trying to pass someone up it starts


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Nad_Yvalhosert

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Yeah...
And...
?

Did you do any other diagnosis?
Any codes?

Why did you change the IAC and EGR?
 
Last edited:
TechNova

TechNova

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set your timing at zero with the proper connector unhooked,
 
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