Which electronic sensors are most likely to fail? - TCCoA Forums
 
LinkBack Thread Tools
post #1 of 8 (permalink) Old 01-27-2011, 07:01 PM Thread Starter
4th Gear Poster
 
TBird94's Avatar
 
Join Date: Dec 2009
Location: East Coast
Posts: 288
Which electronic sensors are most likely to fail?

I just had the MAF sensor replaced.

Instead of waiting for other sensors to fail, I would like to replace all/most sensors that are likely to fail.

Thanks!


Vehicle info:

1994 Thunderbird LX, 4.6L, with 88K miles
TBird94 is offline  
Sponsored Links
Advertisement
 
post #2 of 8 (permalink) Old 01-27-2011, 07:59 PM
Newbie
Moderator
 
master486's Avatar
 
Join Date: Jun 2006
Location: San Diego
Age: 32
Posts: 5,650
The MLPS and original DPFE sensor (aluminum box) are the only sensors likely to fail. Oxygen sensors have a lifespan of around 100k miles, so they "wear" out. Otherwise, everything that fails is just chance, age, and/or neglect.

--Chris

DirtyDog Torque Converter For Sale!!
Huge Parts Sale!!

1996 Thunderbird LX
Awaiting some tender deconstruction...
master486 is offline  
post #3 of 8 (permalink) Old 01-28-2011, 07:49 AM
Seasoned PostWhore
 
NetKeym's Avatar
 
Join Date: Aug 2009
Location: Florida
Posts: 5,862
Not a sensor, but.....

Quote:
Originally Posted by master486 View Post
The MLPS and original DPFE sensor (aluminum box) are the only sensors likely to fail. Oxygen sensors have a lifespan of around 100k miles, so they "wear" out. Otherwise, everything that fails is just chance, age, and/or neglect.
..... on my 95, the EGR tube got plugged at the orifice between two little DPFE tubes (signal and reference I believe they are called).


I've also had to replace:

ECM - twice
DPFE
MAF
Charcoal canister flow valve (or flow sensor - don't remember which one)
Plugs and Plug Wires
Air filter
Fuel filter
Thermostat, ECT Sensor, Water Pump, Radiator, Electric Fan, Accessory Belt, Relay Module, and missing Air Dam (when I was having an overheating problem in the hot Florida summers)
Oil filter adapter gasket (infamous on ALL 4.6L engines)
Valve guide seals (infamous on pre-F5 4.6L heads)
PCV valve & PCV valve grommet
misc. vacuum lines
Trigger wheel and Crank Position Sensor
Battery
Odometer gear in dash (another infamous thing in these cars)
Hinge pins
Sway bar links
Control arm bushings
Headlight assemblies
Upgraded a bunch of stuff that wasn't necessarily NEEDED

I'm sure there were other things I'm just not remembering at this moment.

~Rick

TCCoA Sig

Last edited by NetKeym; 01-28-2011 at 08:16 AM.
NetKeym is offline  
Sponsored Links
Advertisement
 
post #4 of 8 (permalink) Old 01-28-2011, 08:07 AM
Seasoned PostWhore
 
bowez's Avatar
 
Join Date: Aug 2002
Location: NEAR
Posts: 2,472
On a 89-93 SC ICM.
Though the must common is going to be O2.

The oil pressure sending unit is a common one too

If all else fails get a bigger hammer!

93 SC Tbird
MPII w/ Plenum,90mm MAF, 85mm TB, 40# Injectors, 255 lph FP, Double IC w/fan, SCT Chip (Tuned by Jerry),3/4" Raised Top, F52-TT TC, SilverFox AOD 550, SPT-R VB
96 1/2 XR7 Sold and Salvaged
93 5.0 Tbird
bowez is offline  
post #5 of 8 (permalink) Old 01-28-2011, 08:10 AM
Seasoned PostWhore
 
Roadrunnner's Avatar
 
Join Date: Apr 2008
Location: Missouri
Age: 40
Posts: 2,073
Crank position sensor should be on the list.

Will

The Texas Green Bird (An undeveloped work of art.)
92 Thunderbird Sport 5.0: Sold

91 gt, 5.0 73mm turbo, 5spd, 373s, and much more
Roadrunnner is offline  
post #6 of 8 (permalink) Old 01-28-2011, 08:15 AM
Seasoned PostWhore
 
NetKeym's Avatar
 
Join Date: Aug 2009
Location: Florida
Posts: 5,862
Quote:
Originally Posted by Roadrunnner View Post
Crank position sensor should be on the list.
Oh yeh, I did have to replace the CPS on mine. Of course, I also shattered the trigger wheel which broke the sensor, otherwise I'm sure it would still be good (it's not a wear item).

Of course, when I installed the UDP's on my car, I'm pretty sure that's the reason I had the trigger wheel/crank position sensor problem. If I had not disturbed anything down there (and torqued the damper properly), I wouldn't have had that issue.

~Rick

TCCoA Sig
NetKeym is offline  
post #7 of 8 (permalink) Old 01-28-2011, 08:22 AM
Seasoned PostWhore
 
Roadrunnner's Avatar
 
Join Date: Apr 2008
Location: Missouri
Age: 40
Posts: 2,073
Ive done them on 4 times on 3 different birds. I guess one doesnt count, as I had a bad sensor and had to redo it

Will

The Texas Green Bird (An undeveloped work of art.)
92 Thunderbird Sport 5.0: Sold

91 gt, 5.0 73mm turbo, 5spd, 373s, and much more
Roadrunnner is offline  
post #8 of 8 (permalink) Old 01-31-2011, 01:21 AM Thread Starter
4th Gear Poster
 
TBird94's Avatar
 
Join Date: Dec 2009
Location: East Coast
Posts: 288
Thanks guys!!!
TBird94 is offline  
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the TCCoA Forums forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in











Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page



Posting Rules  
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome