Jeep Cherokee Forum

Go Back   Jeep Cherokee Forum > Technical Discussion > OEM Cherokee Tech
Register Forgot Password?
Search


Welcome to Cherokee Forum!
Welcome to Cherokee Forum,

You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. By joining our community, at no cost, you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is free, fast and simple, so please join our community today!


Reply
 
 
 
submit to reddit
 
Thread Tools Search this Thread Display Modes
Old 10-01-2008, 09:20 PM   #1
CF Veteran
 
XJ?2010's Avatar
 
Join Date: May 2008
Posts: 2,911

View XJ?2010's Photo Album My Photos
1987 Comanche
Default mass airflow sensor

where is the mass airflow sensor?
__________________

87 MJ - 4.0 - 5 Speed - 6.5" SOA - 30/8.8 - 4.56's - Locked - 33's

Build Thread
XJ?2010 is offline   Reply With Quote
Old 10-02-2008, 12:03 AM   #2
Renix Super Guru
 
BlueXJ's Avatar
 
Join Date: Mar 2008
Location: In yourz postez fissin jurr spelinzs
Posts: 24,549

View BlueXJ's Photo Album My Photos
1990XJ/1989MJ Cherokee
Send a message via Yahoo to BlueXJ
Default

It is divided into several peces on an XJ. There is the MAT and the TB itself with the IAC and the TPS all together they do the job af a MAS on most systems.
__________________
JEEP I bow to its almighty power which no mortal 4x4 can match.
R.I.P. Zachman you will be missed.
CF the friendly forum
R.I.P. Brian (96_XJ) Perinne

CBW Member #69
BlueXJ is offline   Reply With Quote
Old 10-02-2008, 12:07 AM   #3
::CF Administrator::
 
okcjeeper's Avatar
 
Join Date: May 2008
Location: Okc area
Posts: 9,926

View okcjeeper's Photo Album My Photos
1991 Cherokee
Default

Also isn't the MAP sensor apart of that equation?
okcjeeper is offline   Reply With Quote
Old 10-02-2008, 12:12 AM   #4
Renix Super Guru
 
BlueXJ's Avatar
 
Join Date: Mar 2008
Location: In yourz postez fissin jurr spelinzs
Posts: 24,549

View BlueXJ's Photo Album My Photos
1990XJ/1989MJ Cherokee
Send a message via Yahoo to BlueXJ
Default

Quote:
Originally Posted by okcjeeper View Post
Also isn't the MAP sensor apart of that equation?
That's what I meant to type when I put MAT I should have put MAP. Thanks for proofreading behind me OKC!!
__________________
JEEP I bow to its almighty power which no mortal 4x4 can match.
R.I.P. Zachman you will be missed.
CF the friendly forum
R.I.P. Brian (96_XJ) Perinne

CBW Member #69
BlueXJ is offline   Reply With Quote
Old 10-02-2008, 12:47 AM   #5
::CF Administrator::
 
okcjeeper's Avatar
 
Join Date: May 2008
Location: Okc area
Posts: 9,926

View okcjeeper's Photo Album My Photos
1991 Cherokee
Default

Quote:
Originally Posted by BlueXJ View Post
That's what I meant to type when I put MAT I should have put MAP. Thanks for proofreading behind me OKC!!
Anytime..
okcjeeper is offline   Reply With Quote
Old 10-02-2008, 05:13 PM   #6
CF Veteran
 
XJ?2010's Avatar
 
Join Date: May 2008
Posts: 2,911

View XJ?2010's Photo Album My Photos
1987 Comanche
Default

k thanks guys i wanted to check them out cause there are cleaners you can use on them and it may give a little more power for cheap
__________________

87 MJ - 4.0 - 5 Speed - 6.5" SOA - 30/8.8 - 4.56's - Locked - 33's

Build Thread
XJ?2010 is offline   Reply With Quote
Old 10-02-2008, 05:41 PM   #7
Junior Member
 
Join Date: Apr 2008
Location: Bay Area, California
Posts: 45

View The Downward Spiral's Photo Album My Photos
2001 Grand Cherokee
Default

Quote:
Originally Posted by BlueXJ View Post
It is divided into several peces on an XJ. There is the MAT and the TB itself with the IAC and the TPS all together they do the job af a MAS on most systems.
Not really, but kinda sorta close. The mass airflow sensor is used to sense the density and volume of air going into the engine, along with a few other sensors as well. Jeeps use a speed density style fuel injection system. It uses the intake air temp sensor to check temperature, the map sensor to check barometric pressure, and the crank sensor to see how fast the engine is turning. The engine controller knows how much air the engine is drawing in at any given rpm and baro pressure, and uses the other sensors to complete the calculations required to run the engine efficently.
The Downward Spiral is offline   Reply With Quote
Old 11-09-2010, 08:55 PM   #8
Senior Member
 
n_a_i_w's Avatar
 
Join Date: Jun 2010
Location: Arizona
Posts: 690

View n_a_i_w's Photo Album My Photos
2000 Cherokee
Default

This is a old post but I'll try it anyway. How badly would this effect your gas milage?
__________________
Check out my thread:

Iron Rock long arm biuld:

http://www.cherokeeforum.com/f2/iron...ift-kit-50027/

Overall Jeep biuld

http://www.cherokeeforum.com/f46/198...ck-ride-49914/

My go bag Offroad camp trailer biuld

http://www.cherokeeforum.com/f58/my-...-biuld-184986/
n_a_i_w is offline   Reply With Quote
Old 11-09-2010, 08:56 PM   #9
Newbie
 
Join Date: May 2009
Posts: 1

View UserID6095's Photo Album My Photos
Cherokee
Default

Quote:
Originally Posted by n_a_i_w View Post
This is a old post but I'll try it anyway. How badly would this effect your gas milage?
Which part?
UserID6095 is offline   Reply With Quote
Old 11-09-2010, 09:11 PM   #10
Member
 
sems's Avatar
 
Join Date: Nov 2009
Location: Edmonton, Alberta, Canada
Posts: 133

View sems's Photo Album My Photos
Cherokee
Default

As far as I know. Cherokee's use "speed density", speed density systems do not use a mass airflow (MAF) sensor.
__________________
98 Jeep Cherokee XJ - 3.5" lift, 31x10.5 Good Year Wrangler Duratrac's, Homebrew front bumper, quick disconnects.
sems is offline   Reply With Quote
Old 11-09-2010, 09:11 PM
 
 
 
submit to reddit
Reply

Similar Threads
Thread Thread Starter Forum Replies Last Post
ct mass ri area mittimler North Atlantic 65 01-30-2010 10:08 PM
western mass jeepinkid52 North Atlantic 2 04-29-2009 11:36 PM
O2 Sensor RCPro87 OEM Cherokee Tech 5 09-08-2008 08:13 AM
Ca & Mass aren't alone BlueXJ Off-Topic Discussion 17 06-24-2008 11:20 PM
hello! new member from Mass. amfw Introductions 2 11-27-2007 07:15 PM

Go Back   Jeep Cherokee Forum > Technical Discussion > OEM Cherokee Tech



Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

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 Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -5. The time now is 06:07 AM.


This site is in no way affiliated with Jeep or Chrysler.

Emails Backup