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  #1  
Old 01-04-2010, 03:46 PM
scheider1980 scheider1980 is offline
Ford Ranger Owner
 
Join Date: Nov 2009
Posts: 63
Default misfire problems

has anyone had a problem with with spark plugs misfiring? we have changed plugs, wires, fuel injectors, coil pack, and fuel and nothing seems to fix the problem. 06 ranger v-6 3.0 with 93000 miles
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Old 01-06-2010, 01:33 PM
rattangle rattangle is offline
Trout Fishing Ranger
 
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Have you checked the timing. Mine had 100k miles and did the same thing. Timing had jumped enough so it would run but would misfire, miss, sometimes backfire. New timing parts fixed the little 3.0. Not a big expense, did the work myself.
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Old 01-06-2010, 02:27 PM
modelageek modelageek is offline
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Quote:
Originally Posted by scheider1980 View Post
has anyone had a problem with with spark plugs misfiring? we have changed plugs, wires, fuel injectors, coil pack, and fuel and nothing seems to fix the problem. 06 ranger v-6 3.0 with 93000 miles
what are the codes you are getting, how does the truck run? have you done a fuel pressure test?
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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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Old 01-06-2010, 05:17 PM
scheider1980 scheider1980 is offline
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i put some sea foam and it stop for 2 month
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  #5  
Old 01-06-2010, 05:18 PM
scheider1980 scheider1980 is offline
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mis fire cyl 4
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