98 Ford Ranger 128000 miles 5 speed manual. I recently preformed a tune up consisting of plug replacement, plug wires. I then developed the truck shuts off when you idle at stop lights, stop signs. This will go away after the truck warms up. The check engine light came on and displayed a code of P0171 system too lean (bank 1) which references the following:
O2 Sensors (Both replaced)
Mass Flow Intake
The only thing I haven't checked for is vacuum hose leaks. (Safest way to do this?)
Any help would be greatly appreciated.
have the same problem?
Tuesday, November 27th, 2007 AT 10:38 PM