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Bought a fuel pressure tester but of course it doesn't fit due to the bizarre angle the schraeder valve is mounted to the fuel rail. Have ordered a 90degree tire stem extender as I can't find anyone in this town with stock. Should finally be able to test the fuel pressure in another week or so.
Not sure about the 1.4v minimum for MAF sensor as have read elsewhere 1.0V. As a test I disconnected hose into MAF and blew into MAF thru a piece of tubing to see reaction. Barely breathing into tube was causing rapid elevation of voltage reading. As an further experiment I reconnected MAF, reset ECU via fuse 6 and started car while observing output of O2 sensor. Ran until car was warm and voltage never went above 0.08v which would I believe indicate extremely lean. This is I think the third time I have observed incorrect readings although every other time it was oscillating in normal fashion and when I specifically tested for lean and rich conditions it responded accordingly. Am I correct in assuming that once the ECU goes into limp-home mode it will stay there until reset. If the O2 sensor is intermittent it could have forced limp-home and then when I was checking things it would have looked fine.
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