2001 Mercury Marquis Preventive maintenance coil on plug

Tiny
PMYHAL
  • MEMBER
  • 2001 MERCURY MARQUIS
  • V8
  • 2WD
  • AUTOMATIC
  • 70,000 MILES
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
Thursday, December 13th, 2007 AT 9:36 PM

1 Reply

Tiny
MHPAUTOS
  • 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)
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Thursday, December 13th, 2007 AT 10:00 PM

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