Air sensor
Thread Starter
|
Senior User
Joined: Dec 2005
Posts: 191
Likes: 0
From: Woodbine,MD
Air sensor
I know this has already been asked before, tried the search for 6637 and coulnt find the answer.Anyway , what is done with the sensor probe in the filter box when you change to the 6637. Thanks
Fleet Mechanic
Joined: Feb 2005
Posts: 1,797
Likes: 1
From: Northern Colorado
Originally Posted by fd1109
I know this has already been asked before, tried the search for 6637 and coulnt find the answer.Anyway , what is done with the sensor probe in the filter box when you change to the 6637. Thanks
Fleet Owner
Joined: Jun 2004
Posts: 25,090
Likes: 1,112
From: Rio Rico, AZ.
I put mine in the end of the filter. SpringerPop had a great idea on rolling up some paper and use it as a lining for the inside of the filter. Drill a hole that is slightly smaller than the diameter of the sender. Get a razor knife and notch out the hole to accomodate the retainer tabs on the sender and put the sender into the hole. You have to extend the wiring about a foot to get it to reach. Remove the lining after you drill and cut.
Lead Driver
Joined: Oct 2004
Posts: 7,413
Likes: 1
From: Columbia, MO
Originally Posted by fd1109
I know this has already been asked before, tried the search for 6637 and coulnt find the answer.Anyway , what is done with the sensor probe in the filter box when you change to the 6637. Thanks
Thread Starter
|
Senior User
Joined: Dec 2005
Posts: 191
Likes: 0
From: Woodbine,MD
Hey Guzzle92,Kwikordead and jtHarvey , thanks for the replies , good pics , one more question , what does this probe sense ? I noticed there was a sensor in the front of the grill I know one of them is temp.
FTE Leadership Emeritus
Joined: May 2001
Posts: 13,653
Likes: 6
From: Cabot, Arkansas
They are both temp sensors. The PCM uses the sensor in the air box to know when to engage the fast idle and exhaust backpressure valve. The one behind the grill is the temp sensor for your overhead computer.
Lead Driver
Joined: Oct 2004
Posts: 7,413
Likes: 1
From: Columbia, MO
This one sensed the air intake temperature. Since it was originally inside the airbox, it was designed to only take the temp of the incoming intake air. The one on the front is probably for ambient air temp, to tell the EBPV when to close, when to kick up idle, when to turn on the air intake heater, etc...
Edit: see cookies's post above. Cancel what I said the front air temp sensor telling the truck to close EPBV ect... At least I was right that the one on the front is for ambient air. I didn't think about it being for the trip computer.
Edit: see cookies's post above. Cancel what I said the front air temp sensor telling the truck to close EPBV ect... At least I was right that the one on the front is for ambient air. I didn't think about it being for the trip computer.
Last edited by jtharvey; Jan 28, 2006 at 06:02 PM.
Thread
Thread Starter
Forum
Replies
Last Post
Justin03PSD
1999 - 2003 7.3L Power Stroke Diesel
14
Apr 1, 2012 09:33 AM
SSSimon
1999 - 2003 7.3L Power Stroke Diesel
17
Aug 13, 2010 04:44 AM
DG65
1994.5 - 1997 7.3L Power Stroke Diesel
11
Mar 8, 2008 05:14 PM
