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  #1  
Old 02-16-2010, 05:46 PM
Rob Rob is offline
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Default help please i am out of ideas

i have a 93 ford ranger 3.0 v6, i was driving home the other night and my truck all of a sudden started misfiring, well the ecu wont tell me anything because there is no check engine light (OBD I), i have replaced the plugs, wires, cap, rotor button, ignition coil and still no luck is there something i am missing??? thanks in advance
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Old 02-16-2010, 05:55 PM
modelageek modelageek is offline
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you missed the fuel system. check your pressure at the shrader valve. you should have about 40. also if you are not sure about the fuel filter you should change it
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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 02-16-2010, 06:08 PM
Rob Rob is offline
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i didnt even think of that but the fuel filter would cause it 2 do that???
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Old 02-16-2010, 06:16 PM
Rob Rob is offline
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i forgot 2 mention when my truck started misfiring my girlfriend who was following me in her car said that my exhaust smelled like raw gas???
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Old 02-16-2010, 06:23 PM
modelageek modelageek is offline
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you should check for codes even if the cel is not on
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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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  #6  
Old 02-16-2010, 06:30 PM
Rob Rob is offline
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i tried the code reader said it was unable 2 control high/low rpm during test i tried 4 times
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