I have a 98 Outback Limited with a P1507 code, I just replaced the neutral switch as well as the IAC valve complete. Neither have fixed it. I still get the error code and then the limp mode runs on 2-3 cylinders. I cycle the ignition and it runs OK for anywhere from 30 to 3,000 miles.
Prior to these recent repairs I have replaced the following in the last year:
head gasket update
intake gaskets
exhaust flange gaskets
outer valve cover gaskets
inner valve cover gaskets
valve cover bolt seals
rear cam plugs
cam seals
exhaust flange nuts
oil and filter (regularly)
drain plug gasket
coolant
belts
radiator
crankcase breather update
timing belt
tensioner
idlers
water pump
thermostat
clutch
fuel pump and sending unit
alternator
coil
ECU
speed sensor
CV boot right passenger front under Cat
cleaned connections on speedometer
Car has 171k on it, doesn't smoke, consumes 1 qt oil every 2k, local ROOPair shop can't figure it out, please help!
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