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1993 Ford F150 "Knock Sensor"

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Mar 2, 2010, 5:06 PM

Post #1 of 4 (2299 views)
1993 Ford F150 "Knock Sensor" Sign In

I recently dropped a 1995 351 Lightening Engine and the old engine was a 302 in my truck and my old engine has a knock sensor and the new eng doesn't have a place for one??? I got the engine running but it has a performance problem??? I'm wondering if this could be the problem, I do not have a check eng light on and it does work??? I have been over every square inch of this engine and can not find a problem with anything else... Can anyone help me out here??? Thank You!!!

(This post was edited by Coolkat on Mar 2, 2010, 5:07 PM)

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nickwarner profile image

Mar 2, 2010, 10:46 PM

Post #2 of 4 (2290 views)
Re: 1993 Ford F150 "Knock Sensor" [In reply to] Sign In

Did you swap the Lightning computer when you did this? 351 had a different firing order than a 302 and if 302 computer is in it this can cause trouble. Its not going to fire injectors in the right order, and will run like crap.

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Sidom profile image

Mar 3, 2010, 12:41 AM

Post #3 of 4 (2289 views)
Re: 1993 Ford F150 "Knock Sensor" [In reply to] Sign In

Got go with Nick on this one. If you didn't swap comps then you have more problems then just a missing knock sensor......

A side note the worse problem you would notice with a knock sensor would be a lack of power.


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Mar 3, 2010, 9:49 PM

Post #4 of 4 (2282 views)
Re: 1993 Ford F150 "Knock Sensor" [In reply to] Sign In

Sorry I forgot to tell you I used the cam out of the 302 (it was a high performance cam that had pretty much the same specs as the lightening cam) I knew about the firing order difference and knew this would cause a problem and they didn't have the computer where I got the engine from, so I am using the old 302 firing order... Thank You!!!

(This post was edited by Coolkat on Mar 3, 2010, 10:51 PM)

1993 Ford F150 "Knock Sensor"

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