View Poll Results: Knock sensor
Knock sensor
1
50.00%
Knock sensor
0
0%
Knock sensor
1
50.00%
Knock sensor
0
0%
Voters: 2. You may not vote on this poll
Knock sensor
Thread Starter
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New User
Joined: Jan 2020
Posts: 7
Likes: 0
Knock sensor
I have a 1995 ford F-150 with a 4.9l motor and my knock sensor went out and ford no longer makes the knock sensor for my truck tring to find out if their is an online parts store or if I can bypass it and if I do that would it hurt my motor in the long run any thing would help thank you
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New User
Joined: Jan 2020
Posts: 7
Likes: 0
Knock sensor
How do you know that the knock sensor went out
I have tried timing up and down still running rich and on this truck since it has injectors if the knock sensor goes out it will make it run like a carbureted engine with the choke pulled half way out
I have tried timing up and down still running rich and on this truck since it has injectors if the knock sensor goes out it will make it run like a carbureted engine with the choke pulled half way out
Thread Starter
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New User
Joined: Jan 2020
Posts: 7
Likes: 0
Knock sensor
Depends where you live, and still have emissions test, you will fail without it, JY could be only hope.
I live in Oklahoma and no we do not have state inspection here is JY an online store
I live in Oklahoma and no we do not have state inspection here is JY an online store
Elder User
Joined: Dec 2016
Posts: 854
Likes: 39
From: Mid Missouri
I’ve had my knock sensor disconnected for the past 3 years and 50k miles and the engine runs great.
The knock sensor is probably fine. Have you checked for stored codes?
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New User
Joined: Jan 2020
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The knock sensor is probably fine. Have you checked for stored codes?
No nothing was popping up on the dash and it never ran like this be for I have had this truck since 2004
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New User
Joined: Jan 2020
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The knock sensor is probably fine. Have you checked for stored codes
How did you disconnect the sensor is their anything special that I need to do?
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Cargo Master
Joined: Sep 2006
Posts: 2,120
Likes: 390
From: Evansville, Indiana
I have heard this before. Can you explain or point to an explanation as to what exactly causes the rich condition?
Fleet Owner
Joined: Oct 2005
Posts: 20,789
Likes: 1,753
From: Kentucky
Hotshot
Joined: Jun 2015
Posts: 12,878
Likes: 2,446
The check engine light does not need to be on for the computer have to fault codes. That is where you need to start looking. Have you pulled the vacuum hose off of the regulator to see if the diaphragm has ruptured? That will cause a rich condition since unmetered fuel is being drawn into the intake manifold.
Cargo Master
Joined: Sep 2006
Posts: 2,120
Likes: 390
From: Evansville, Indiana
Fleet Owner
Joined: Oct 2005
Posts: 20,789
Likes: 1,753
From: Kentucky
It is an interesting read, but it's one thread out of hundreds on this forum related to the knock sensor. While I cannot discount the OP stated by installing a knock sensor their issue was resolved, I cast a leery eye until there are more data points. This vintage EEC-IV is not that smart to know if the sensor is there or not.
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rocket_6
1987 - 1996 F150 & Larger F-Series Trucks
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May 10, 2006 04:20 PM