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Old 02-07-2010, 10:45 PM
RangerSteve RangerSteve is offline
2000 XLT 3.0 2WD 81,000M
Join Date: Feb 2010
Posts: 62
Exclamation MISFIRE in Cylinder 6

The code says there's a misfire in cylinder 6. What are the possible causes of the misfire and will it damage anything if I continue to drive it? I noticed the power stops increasing around 3500-4000 rpm as if it has reached its max power output even if you push it beyond that. Help Please...Thank You!
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Old 02-08-2010, 09:29 AM
rainger rainger is offline
Liking the Ford Ranger Forum
Join Date: Feb 2010
Posts: 25

Post your vehicle information
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Old 02-08-2010, 04:02 PM
big green big green is offline
Ford Tough
Join Date: Aug 2009
Posts: 301

misfire can be cause by bad spark plug, bad wire, or bad coil (depending on your year).
i dont know what damage could happen but i would get i fixed.
1999 ranger 4x4 supercab, 4.0L
-3 inch PA body lift
-16 inch pro comp alloys
-33x11.50 BFG all terrain
-Go Rihno roll bar with 4 KC Daylighter lights
-weston bull bar
-dual exhaust,
-air box mod, tightend throttle cable.
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Old 02-08-2010, 05:58 PM
modelageek modelageek is offline
Ford Ranger Driver
Join Date: Jan 2009
Posts: 6,268

post more info about your truck, have you done any maintenance etc. misfires can cause damage to your cat. if it was my truck i would run injector cleaner thru it. I would change plugs and wires.
2004 Ext Cab, 4WD, 4.0, Auto, 154k. (4.0 engine is out of a 2009 Ranger w/96k) ( as of 7/1/2017)

2004 Ranger, Ext Cab, 2WD, 3.0, 5 speed , 4WABS, crank windows, no cruise, Edge 116k.(6/5,2014) (SOLD).
1999 Ford Ranger, Reg Cab, 2.5, 5 speed, 2WD, no AC, 150k (SOLD).
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