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The fuel pump tested normal.
Would a dirty strainer fail intermittently? Would injectors or their o-rings leak intermittently? After two or three rainy days in which normal function resumed, the problem has suddenly emerged agajn and with a vengeance. Return of the sun, warmth, and dry conditilns has meant a return of my fuel trim wackiness.
Part of the difficulty is knowing I cannot necessarily count on the sensors, meaning that the ECU might be cutting fuel based on false data from the MAP Sensor and/or the O2 sensor, right?
Bah! I gotta start testing stuff. Thanks all.
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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.
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