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2003 Ford Ranger Question: 249,000 miles on my '03 low rpm's at stop signs, then dies.

 

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catlady53, 4.0L V6, Goldsboro, NC, November 19, 2013, 15:28
 Rookie

Changed plugs and wires, no go. At stop signs or lights the rpm's go below 1000 then the engine stops. No problem running on open road as long as rpm's are above 1000.

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  • Answer #1

    G. T. Service Center (4228 Answers) , Stephenville, TX - (254) 638-3236
    ProfessorG November 19, 2013, 17:05
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     Master

    Have it tested, could be a simple fix, but it could be computer controlled.

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  • Answer #2

    November 19, 2013, 17:33
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     Master

    pop the hood and listen for hissing sound,pcv vacuum hose leaks are common. get it scanned and go from there,po171,po174 bank 1,2 system lean will be there most of the time when you have vacuum leak/s

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  • Answer #3

    winrservicesauto from A W.I.N.R. SERVICES Auto Repair, December 21, 2013, 18:56
     Technician

    Have it smoke tested for vacuum leaKS. also can be caused by "soft" hoses that aren't "leaking: but are collapsing which will "choke" the engine. pcv hose,etc.

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