• Mustang Forums
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
  • Fox 5.0 Mustang Tech

rpm needle jumping

  • Thread starter Thread starter gettingfaster
  • Start date Start date Jun 11, 2004
G

gettingfaster

New Member
Feb 23, 2001
13
0
0
philly
Jun 11, 2004
#1
  • Jun 11, 2004
  • #1
where do i start to fix problem? when driving and rpm goes past 2000 rpm the needle starts bouncing up and down but car runs fine.
 

88stangmangt

Active Member
Nov 25, 2003
2,332
1
48
Stafford,VA
Jun 11, 2004
#2
  • Jun 11, 2004
  • #2
if the needle is jumping and not the engine rpms then you have a elec gremlin some where.
 

Ourobos

Member
Apr 12, 2004
260
1
17
Jun 13, 2004
#3
  • Jun 13, 2004
  • #3
Mine did this once. The ground from the head to firewall had broken. Replaced $2 wire, works great now.
 
You must log in or register to reply here.

Similar threads

Exhaust Exhaust resonance
  • keel
  • Jul 24, 2026
  • Fox 5.0 Mustang Tech
Replies
10
Views
407
Fox 5.0 Mustang Tech Aug 11, 2026
keel
D
rpm goes up - car does not speed up.
  • dawakbar
  • Oct 26, 2026
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
Replies
3
Views
139
1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- Oct 27, 2026
nickyb
Engine Defective PIP sensor ?
  • bock
  • Sep 5, 2025
  • Fox 5.0 Mustang Tech
  • 2
Replies
20
Views
2K
Fox 5.0 Mustang Tech Oct 11, 2025
Mindseye007
7
Engine Random hanging idle
  • 706 Saleen
  • Feb 11, 2026
  • Fox 5.0 Mustang Tech
Replies
9
Views
825
Fox 5.0 Mustang Tech Feb 19, 2026
86HO5.0
8
A
1987 5.0 speed density Foxbody crank no start
  • Alan2204
  • May 23, 2026
  • Fox 5.0 Mustang Tech
Replies
10
Views
570
Fox 5.0 Mustang Tech May 30, 2026
Mcmahst
Share:
Bluesky Email Share Link
  • Mustang Forums
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
  • Fox 5.0 Mustang 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?