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Ford Bronco 1996

Tiny
KINGFISH71
  • MEMBER
  • 1996 FORD BRONCO
  • V8
  • 4WD
  • AUTOMATIC
  • 106,000 MILES
My Bronco is still in the shop. It started out with a squeaky Serpentine Belt that I had fixed via Idler Arm Pulley and new Automatic Tensioner. Then, it ran rough. So full tune-up, plugs, wires, cap, complete fuel cleaning. After that, voltage was all over, so new Alternator. Now, after a new IAC valve, its back in the shop because it bucks while driving and STILL idles rough? They're trying to pinpoint the issue, with no luck. Truck only has 106,000 original miles and truly has been well taken care of. I'm at a loss.
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Wednesday, April 20th, 2011 AT 5:39 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Does it have a check engine light?

https://www.2carpros.com/articles/engine-misfires-or-runs-rough

1.Defective spark plugs
2.Inadequate spark/coil,defective spark plug wire.
3.Lack of compression
4.False air leakage.
5.Faulty fuel injectors.
6.Insufficient fuel pressure.
7.Contaminated fuel.
8.EGR valve that is leaking.
9.Oxygen sensors.
10.Throttle position sensor.
11.Manifold absolute pressure sensor
12.Mass Airflow Sensor
13.Idle air control valve

Note: If it doesn't apply disregard it
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Wednesday, April 20th, 2011 AT 11:27 PM

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