1978 - 1996 Big Bronco

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dies while 4wheeling

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Old

Mar 23, 2004 | 09:04 PM

#1

bigbluebronco

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Joined: Jan 2004

Posts: 107

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From: Boise, Idaho

dies while 4wheeling

Well when I go 4 wheelin and get half way up hills and stuff the Bronco will just die. It idles really ruff too. Sometimes it will be ideling at about 900-1000 rpms and then just drop to 700. Could this be the o2 censor or what?

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Old

Mar 23, 2004 | 09:08 PM

#2

nickmobile67

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Joined: Jul 2002

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From: East Coast

Carbed or injected? With a carb it could starve for fuel at inclines. Holley makes truck carbs that are good for fixing that.

If it's injected theres another problem.

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Old

Mar 23, 2004 | 09:16 PM

#3

bigbluebronco

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From: Boise, Idaho

Its fuel injected.

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Old

Mar 23, 2004 | 09:21 PM

#4

nickmobile67

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From: East Coast

Could be a dirty fuel filter, clogged injector, or siticking IAC valve, or more. Can you pull any codes?

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Old

Mar 23, 2004 | 09:26 PM

#5

bigbluebronco

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From: Boise, Idaho

What kind of codes?

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Old

Mar 24, 2004 | 03:23 AM

#6

bigric

Fleet Mechanic

Joined: Aug 2001

Posts: 1,526

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From: Round Rock, TX

These codes:
http://www.broncodata.com/tech/codes.htm

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