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1987 - 1996 F150 & Larger F-Series Trucks
knock sensor?

1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

knock sensor?

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Old

Mar 15, 2009 | 06:45 PM

#1

truckdude239

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knock sensor?

hey guys I've own my truck for about 6 years now it an 87 f-150 with 5.0 v-8 i installed a reman motor in it about 2 years ago took about a year in ym free time. but anyway i was using a scan tool and did a koer test and it came up with knock sensor not deteced. i looked it up and i see where on the intake manifold where the sensor is suppose to be screwed in but noone carrys one and i can't find a plug in for the sensor. i dont remenber there ever beeing on there.

is this motor suppose to have a knock sensor?

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Old

Mar 15, 2009 | 07:16 PM

#2

fkaster01

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Joined: Mar 2009

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From: metro detroit area...

as far as I can tell most motors have a knock sensor... at least I'm pretty sure they do

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Old

Mar 15, 2009 | 07:45 PM

#3

truckdude239

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thats what i figure but i can not find the plug in for it but i can see the hole it screws into which has a alot of dirt in it. plus none of the auto parts store around here carry one for it

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Old

Mar 15, 2009 | 08:29 PM

#4

shotgun

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Joined: Feb 2000

Posts: 390

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From: South East Alabama

Check the schematic for the engine sensors and see if it shows a knock sensor for that year.

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Old

Mar 15, 2009 | 09:05 PM

#5

EPNCSU2006

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Joined: Nov 2002

Posts: 9,557

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From: Concord, NC

An 87 5.0 does use a knock sensor. It is mounted in the very rear of the block behind the intake manifold, above the bell housing.

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