Repair

Asked by Mar 16, 2017 at 04:21 PM about the 2000 Mercury Grand Marquis GS

Question type: Maintenance & Repair

Why does my number 7 spark plug keep
blowing out on my 2000 grand marquis?

4 Answers

26,575

http://www.fordproblems.com/trends/triton-spark-plug-ejection/ - you can look up fixes for this with helicoil repair kits.

76,635

The head casting may be thin at the #7 plug.

76,635

This article is worth reading ---- http://blog.wiseautotools.com/ford- spark-plug-blow-out-solved/

52,015

DO NOT use a helicoil. Use a Timesert which is the only Ford approved repair.

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