Rough idle and stop sign stalls
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Joined: Jan 2021
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From: Glenwood IA
Rough idle and stop sign stalls
My daughter has a 1999 Ford ranger 4.0 V6 XLT and it has been have trouble I have cleaned the Mas sensor changed the IDler control valve changed the air temp sensor changed the fuel filter and have an egr valve to put on this week end the issue is it starts and runs fine now but when put in gear it stall and surges also stalls and surges at stop signs and light sometimes dies unless you keep the rpm’s up at 1000 before changing the idle control valve here are the codes
Po171
Po 174
P1131
P1151
Po136
Po113
Research online seems everyone is says vacuum leak but can’t find 1 and don’t have a smoke machine can anyone help
Po171
Po 174
P1131
P1151
Po136
Po113
Research online seems everyone is says vacuum leak but can’t find 1 and don’t have a smoke machine can anyone help
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M90
2.9L & 3.0L V6 Tech
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Oct 9, 2017 03:12 PM
