1998 blazer surges at higher speeds

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Sep 29, 2013 | 08:08 PM

Karen Beech

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Joined: Sep 2013

Posts: 6

1998 blazer surges at higher speeds

while driving I can feel what I describe as a surging, like someone sucking in air then releasing? is this the vacuum hose? had new heater core replaced.

Oct 2, 2013 | 12:18 AM

WalkGood

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Joined: May 2011

Posts: 196

From: Long island

Did the problem happen BEFORE replacing the heater core?

Other thoughts, fuel starving at higher speed. Ignition cutting out for a split second.

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