• Mustang Forums
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
  • 1994 - 1995 Specific Tech

Disovered the problem cylinder

  • Thread starter Thread starter parchisi
  • Start date Start date Mar 23, 2008

parchisi

New Member
Apr 13, 2006
519
1
0
New Mexico
Mar 23, 2008
#1
  • Mar 23, 2008
  • #1
#3 cylinder, pulled the plug, and the metal prong was bent down touching the electrode. Did a compression test, other cylinders were making 145 psi, #3 made only 100. Funny thing is, last time I blew a head gasket, it blew from the #3 cylinder. Installed a Cometic MLS and I guess it sealed too well. Broke something else instead of the head gasket. Welp, off comes the head again. Anybody got any predictions on the damage?
 

Pokageek

Active Member
Jun 10, 2005
2,767
0
46
MA, USA
Mar 23, 2008
#2
  • Mar 23, 2008
  • #2
Glad you found it. I have no idea why that would happen to a plug or what is going on with number 3.
 

Rick 91GT

Mustang Master
Nov 29, 1999
9,692
95
99
PA
Mar 23, 2008
#3
  • Mar 23, 2008
  • #3
My guess is it pulled the ring land up and the piston hit the plug....
 
You must log in or register to reply here.

Similar threads

J
'04 3.8L V6 mineral deposits and oil on #3 cylinder. Does it need a rebuild or something simpler?
  • joeybuddy96
  • Mar 18, 2026
  • SN95 V6 Mustang Tech
Replies
5
Views
234
SN95 V6 Mustang Tech Jun 9, 2026
joeybuddy96
J
L
Engine Need help diagnosing 2 dead cylinders
  • lvgnmz
  • Feb 13, 2025
  • Fox 5.0 Mustang Tech
Replies
3
Views
440
Fox 5.0 Mustang Tech Feb 13, 2025
Mustang5L5
What in gods green earth happend to my N/A 2.3?
  • Piranahbite
  • Mar 24, 2024
  • 2.3L (N/A & Turbo) Tech
Replies
8
Views
2K
2.3L (N/A & Turbo) Tech Jun 1, 2024
Piranahbite
E
Finished my Fox Hydroboost Install - Tips
  • Engineer Duane
  • Apr 9, 2025
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
Replies
4
Views
1K
1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- May 5, 2025
Engineer Duane
E
SURGING IDLE / NO IDLE CHECKLIST FOR 1996–1998 MUSTANG GT (4.6L 2V) - Work In Progress
  • Noobz347
  • Aug 30, 2025
  • 1996 - 2004 SN95 Mustang -General/Talk-
Replies
0
Views
710
1996 - 2004 SN95 Mustang -General/Talk- Aug 30, 2025
Noobz347
Share:
Bluesky Email Share Link
  • Mustang Forums
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
  • 1994 - 1995 Specific Tech
Menu
Log in

Register

  • Forums
  • What's new
  • Media
  • Resources
  • Contact
  • Sponsor
X

Privacy & Transparency

We use cookies and similar technologies for the following purposes:

  • Personalized ads and content
  • Content measurement and audience insights

Do you accept cookies and these technologies?

X

Privacy & Transparency

We use cookies and similar technologies for the following purposes:

  • Personalized ads and content
  • Content measurement and audience insights

Do you accept cookies and these technologies?