1978 - 1996 Big Bronco

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351 Throttle Body Sensor

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Aug 30, 2017 | 12:37 PM

#1

pappy19

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Fleet Mechanic

Joined: Sep 2007

Posts: 1,256

Likes: 6

From: Garden Valley, Idaho

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351 Throttle Body Sensor

So how bad is it to replace a TBS? YouTube shows you have to take the throttle body totally off. Any advice would be appreciated.

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Old

Aug 30, 2017 | 01:42 PM

#2

Kemicalburns

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Joined: Jul 2002

Posts: 14,285

Likes: 12

From: Bend,OR

yes you need to pull the throttle body to change that sensor. make sure you have a new throttle body gasket on hand. Use Throttle body cleaner only on the TB.

why do you think the tbs needs replaced?

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Old

Aug 30, 2017 | 02:11 PM

#3

pappy19

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Fleet Mechanic

Joined: Sep 2007

Posts: 1,256

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From: Garden Valley, Idaho

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Running ragged, shifting weird and finally the check engine light came on. Analysis said it was TBS.

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Old

Aug 30, 2017 | 05:32 PM

#4

Conanski

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Joined: Jun 2006

Posts: 31,930

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From: Ottawa, Ontario

I guess you mean the Throttle Position Sensor(TPS)? If so yes.. it's near impossible to get at without removing the throttle body from the intake.

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Old

Aug 31, 2017 | 12:34 PM

#5

Kemicalburns

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Joined: Jul 2002

Posts: 14,285

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From: Bend,OR

if you can buy motorcraft do it. I have had several aftermarket versions not perform well.

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