2001 Mercury Marquis Preventive maintenance coil on plug

2001 MERCURY MARQUIS
70,000 MILES • V8 • 2WD • AUTOMATIC
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PMYHAL
  • MEMBER
  • 12 POSTS
Hello everyone,

What is the rule thumb on how long COP last.

If you want to keep your car runing top when would recommend to change out COP .

I really haven’t see anything on Preventive maintenance cop .

Have great day

Pawlo
Dec 13, 2007 at 1:36 PM
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MHPAUTOS
  • ✓Experienced Mechanic
  • 31,937 POSTS
Hi there,

Thank you for your donation.

These coil on plugs should last for many years, I am not aware of any use by date for any COP's For my money i would not bother changing them untill one started to act up, then maybe change the lot then.

Mark (mhpautos)
Dec 13, 2007 at 2:00 PM
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