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.
Ford Q&AAsk Your Question
2003 Ford Ranger Question: 249,000 miles on my '03 low rpm's at stop signs, then dies.
Answer #1G. T. Service Center (4246 Answers) , Stephenville, TX - (254) 638-3236ProfessorG November 19, 2013, 20:05Master
Have it tested, could be a simple fix, but it could be computer controlled.
Answer #2bmdouble November 19, 2013, 20:33Master
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
Answer #3winrservicesauto from W.I.N.R. Auto Service, December 21, 2013, 21:56Technician
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.