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  1. K

    5.0 GXi…

    I checked the grounds at the plugs for the fuel pumps. They are good. I do hear, well kinda, the beeps when you turn on the key and you can hear the pumps activate. I checked the power at the pump plugs and it’s not 12V, more like .04 volts. But I’m not getting any pressure at the high pressure...
  2. K

    5.0 GXi…

    Hello all. Went down to the boat today to clean it up and check it out. Started and died. Multiple times. Even if I applied some throttle. Replaced the fuel filter. Old filter was full of clean fuel. Connected a pressure gauge to the high pressure side and it doesn’t register anything. Checked...
  3. K

    5.0 gxi....

    Hello all. Well, we were enjoying a nice ride out on the lake and then she started running like crap. Backfiring, missing, and slowly coming to a stop. I could restart it and rev it up in neutral, but when I put it in gear, all I could get was 1800 rpm. Anything above that and it would fall on...
  4. K

    Another prop question....

    Hello all...I have a 2002 Larson 210 SEI with a 5.0 V8. We love the boat, but I was expecting a little more on the top end. The boat came with an extra prop, and after examining it I am wondering if I should put it back on. The guy I bought the boat from was a big guy and also was a single...
  5. K

    5.0 GXi thermostat...

    Re: 5.0 GXi thermostat... Don...it is not an (F)...just a 5.0GXiB
  6. K

    5.0 GXi thermostat...

    Re: 5.0 GXi thermostat... Yes, the part number is 3831426, and it has a rubber sealing ring around the outside and appears to be designed to fit into the machined groove in the intake manifold so it would be under the t'stat housing. The one that is in the boat, I am going to attempt to send a...
  7. K

    5.0 GXi thermostat...

    I have a 2002 Larson 210SEI with a 5.0 GXi-B(F), and decided to do a little maintenance on it today. Bought the boat last year and replaced the impeller during the summer. Today I replaced the serpentine belt, installed petcocks at the rear of the exhaust manifolds, and planned on replacing the...
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