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What is your question?
Should the complete cool assembly be replacing or just the coils and spark plugs? 2003 Chevrolet Impala 3.4 base 6 cyl sedan
1 Reply
3 ignition coil packs.. We can not determine what needs to be replaced - *hands-on* testing is required. ‘2003’ - - I highly recommend replacement of the > ignition module - all 3 coil packs - spark plug wires and spark plugs..