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Discussion Starter · #1 ·
I have a 2000 impala LS, yesterday I changed my water pump and now my engine is look like it's skipping something. it also look like the engine want to move forward. it shakes but my engine light doesn't come on.
do anyone know what can cause that?
can I do damage to the engine if drive the car?

Super Moderator
7,058 Posts
Did you have to remove any spark plug wires? Did you reattach them? Other wise check all plug wires and make sure that all are secure and not crossed wired. Also check the power plug to the coil pack, if it is disconnected it will also cause the roughness.
And don't forget to check the sensor wiring in that area.
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