Question about 1998 GMC Savana
98 gmc savana engine shakes at idle only when it starts ones it warms up the shaking stops
Could also be EGR valve needs replaced.
Posted on Jul 31, 2010
Could ge a leaking injector flooding the engine at start up, or coolant getting into the combustion chamber, either intake or head gasket, do a pressure leakdown test on both fuel and coolant,
Posted on May 09, 2010
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Posted on Jan 02, 2017
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