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1982-1994 Chevy Cavaliers

Could it be a bad EGR valve if your 1998 Sierra hesitates under partial load and you have changed the air cleaner spark plugs and wires?


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Wiki User
2015-07-15 18:38:27
2015-07-15 18:38:27

No, a bad EGR valve would cause pinging at driving speeds or stalling at idle. Have you checked the distributor cap? Fuel filter?


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there are 4 screws in the air cleaner cover just lossen them and pull the cover out of the way and replace

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Remove the air cleaner housing. Look for the IAT sensor with the two wire connector that you unplugged while removing the air cleaner housing. That sensor? Yeah that's the one you're looking for.

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