Cadillac Deville The flagship luxury car, offering the class with which the Cadillac has been associated, for decades

2003 Cadillac Deville coil pack exchange

Old 08-30-2018, 05:55 PM
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Join Date: Aug 2018
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Default 2003 Cadillac Deville coil pack exchange

So I have a 2005 Cadillac Deville with new coil packs that is down and a 2003 Cadillac Deville running. Can I take the coil packs from the 05 and put them on the 03? Also could I install performance coil packs on a 4.6l Dohc v8?

I have added spectre air intake and performance spark plugs. Next on my list is to replace the coil packs then flow master exhaust and maf sensor. I love these cadillacs when tuned right. I have beat 2016 r/t hemi chargers and challengers in my 05
Old 03-30-2019, 10:04 AM
Join Date: Dec 2018
Posts: 34

If a coil pack fails you'll get a misfire that will trigger the check engine light.
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