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  1. J

    Cruisair PS/LO

    98 420ac, 3 cruisair units, all three are pumping water out the thru hulls overboard. The salon runs about ten minutes and shuts offf with PS/LO code flashing. Fan and Compressor run, vacuumed out screens and fins. When it does start up it is blowing cold air? Any Ideas before i call in a mobil...
  2. J

    1998 mercruiser 7.4l horizon

    Replaced the fuel pressure regulator and all vacuum lines associated with this, Started engine and ran fine for about ten minutes and died. Still have 36psi of fuel pressure at the rail. Cranked and cranked still no start. Pulled fuel filter on and it was only about 3/4 full, dumped to see...
  3. J

    1998 mercruiser 7.4l horizon

    Port engine, turn key on fuel pump pressures up to only 10psi after start goes to 30 and fluctuates down to maybe 28psi and up to 32psi. at idle motor runs smooth, push throttle stick up to say 1700 rpm and then rpms go up to 25, 2600 rpms and back down up and down. changed fuel pump and...
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