5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

Extreme Bucking

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Old 10-07-2008, 01:56 PM
  #1  
Shelty
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Default Extreme Bucking

drove out today for my internship interview, and the car gave me trouble the entire way there 20mi..

the car bucked at 60mph and would stall out at stoplights... needless to say it restarted every time it died...

it sat for 45 minutes whilst I met with the cheif of police to fill out paperwork etc...

drove home, not a single problem...

it goes to the shop on thursday, what should I have them look at? the car flashed code 91, but Ive been too busy to clean/replace the o2 sensors, and this is the first time I drove the car since sunday... and sunday it gave me no problems either...

I'm also a little fed up, so I dont want to deal with it right now... too much going on etc...
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Old 10-07-2008, 02:05 PM
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mjr46
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depends on if it's ignition related or what?? could be a tfi module or stator issue in the dizzy or a bad coil..ect ect......make sure the maf is clean also
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Old 10-07-2008, 02:07 PM
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Shelty
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thanks, I'll look at it or point them in the direction or something...

classes have me on my feet...

Ive been busy busy busy... bleh...
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Old 10-07-2008, 02:08 PM
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FivePointOhh
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code 91? make sure there is no exhaust leaks before the o2's. make sure the o2's are screwed all the way into the bung. also if that doesnt work take off the small section of wire harness and clean the connectors, that cleared up the code 91 for me. there was a lot of corrosion on mine.
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Old 10-07-2008, 02:18 PM
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Blckstng93
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High miles? Id replace the o2 sensors but id wait to see what the shop says first. When was the last tuneup?
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Old 10-07-2008, 02:43 PM
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Shelty
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it was recently done, in the past two months I did the following

Oil change
New Plugs
New Wires
New cap/Rotor
New Ignition Coil
New Fuel Filter

and its got just under 131k on the odometer
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Old 10-07-2008, 05:59 PM
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5.0stanger
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I would check you batter cables, and all your grounds. Check you connections on your solenoid also.
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Old 10-07-2008, 06:21 PM
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Shelty
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I did forget to mention that I smelled Gas when it stalled...

I had the windows down
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