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25/09/2021 6:09 am
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i have a 2005 chevy avalanche with a 5.3 with 170k miles should I change the 8 coils or just dive until one fails then replace going on a trip to fl in the next 2 monthe about 1500 miles round trip.
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25/09/2021 6:48 am
If they still work, why replace them?
Buy one or two and put them behind the seat, if one conks out, you'll have the part with you. 
I did buy an extra ac Delco coil and purchased new wires to put on to take the stress off of coils. I had a problem once before on another truck cap was burning out until I changed the wires
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