Does my car have spark plug wiring unit

2009 CHEVROLET AVEO
84,000 MILES • 4 CYL • FWD • MANUAL
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KARI LEONARD
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Changing spark plugs and Ignition coil per Auto Zone. They also suggested to change the wiring unit but I cannot find it. Where is it located? Thanks!
Nov 26, 2016 at 10:59 AM
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SATURNTECH9
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What wiring unit? it only has a short spark plug boot for each plug. If it is running good I would just replace the spark plugs.
Nov 26, 2016 at 12:33 PM
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STRAILER
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Please let us know happens so it will help others.

Best, Ken
Dec 1, 2016 at 10:07 AM