95 bronco missing and bucking

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michaeljones54

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just got the bronco it misses from 1500 rpm on and when on the interstate at 65-on it will buck like the engine is missing big time. what i do know on the bronco all within 10k miles new trans 4.88 gears detroit in the back new wire and plugs and all other maintanence done. give me some ideas . dont know about the fuel filter but new fuel pump

 

miesk5

96 Bronco 5.0
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Yo Michael!

WELCOME to da ZONE!

I'd like to see a Test for Codes;

our pal BroncoJoe19 (Joe) has one complete write-up here; http://broncozone.com/forums/index.php?showtopic=14269&st=0

run it around to heat the engine up and shift thru all gears incl Reverse.

then; turn off all accesories/lights, etc.

Put it in Park for an Auto or Neutral for a manual tranny

Do KOEO portion first

For Key On Engine Running (KOER) portion, the engine has to be @ normal operating temp.

Post any codes found here or look em up in my broncolinks.com site.

Hopefully it's just the fuel filter.

And another guess is the Plug wires

The firing order for 1994- 96 vehicles is 1-3-7-2-6-5-4-8. On these vehicles the #1 and #3, or #5 and #6 spark plug wires must be separated to eliminate the possibility of an induction crossfire. To eliminate the possibility of the coil wire becoming disconnected, route the coil wire under the spark plug wires at the distributor cap. Distributor rotation: Counterclockwise

94-96 5.0 ** - INCLUDES 5.8 - engine miss, spark knock, buck/***** surge and other driveability concerns Source: by Tank92 (Tank) at SuperMotors.net

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