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  1. B

    Looking for any suggestions

    the plugs are all new AC Delco matched to the engine the problem has been on and off but has gotten worse sometimes I can start it sometimes it's like it wants to start but won't if I start it it runs what appears to be fine if I shut it down and try to restart no go.
  2. B

    Looking for any suggestions

    Motormanfuelinjectors they matched what I needed perfectly I just repaired the TPS had a bad pigtail it now reads .04 at 0% throttle and 4.92 at WOT I have to go back and check the IAC as I replaced that too.
  3. B

    Looking for any suggestions

    Yes salt water it's a 2002 Wellcraft Martinique 2600 with a Volvo Penta 5.7GXI-A TBI with 290 duo prop sterndrive.
  4. B

    Looking for any suggestions

    So an update to my ongoing issue so much to cover I removed the vent hose no change I have now gotten to what I believe is an electrical issue possible a ground issue the engine starts sometimes, sometimes it doesn't now when I try to start it seems like it wants to run idle is very low then it...
  5. B

    Engine Zinc Anodes

    Great Thanks for the help.
  6. B

    Engine Zinc Anodes

    Mine is saltwater cooled so I would assume that this engine doesn't have any?
  7. B

    Engine Zinc Anodes

    So I have been seeing post about engine zincs I haven't look for these yet, but does anyone know if a Volvo Penta 5.7 GXI -A has these and where they might be located?
  8. B

    Looking for any suggestions

    Me too I will correct the vent issue by running a separate vent thru hull as opposed to having in the fill cap and I am currently looking at electrical, as the only issue I have is a TPS low voltage will need to track this down. Thanks for the support and guidance.
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    Conversion

    What would be the pros and cons of converting a VP 5.7 GXI to Marine Rochester Quadrajet 4 BBL OMC 8CYL 350" 5.7L carb with vacuum advance distributor?
  10. B

    Looking for any suggestions

    Thanks will have to find out where this problem lies if I'm not getting voltage from the ECM would that indicate an ECM problem
  11. B

    Looking for any suggestions

    Yes shows 5V exactly
  12. B

    Looking for any suggestions

    I have proper voltage on the map and IAC according to the scanner
  13. B

    Looking for any suggestions

    Code I believe is 22
  14. B

    Looking for any suggestions

    I checked fuel pressure it's right at 29-30psi HP how would I know if the ECM is bad the scanner I have shows no fault except TPS low voltage so how can I check to see if the ECM is good?
  15. B

    Looking for any suggestions

    Just ordered a inline fuel pressure gauge should I have gauge on the high and low side and what should the pressure be.
  16. B

    Looking for any suggestions

    There are two injectors on the throttle body can see the flow coming from the injectors
  17. B

    Looking for any suggestions

    A
  18. B

    Looking for any suggestions

    no rail has injectors I had the diagnostic scanner hooked up when it died no fault codes
  19. B

    Looking for any suggestions

    So basically I have VP 5.7GXI I have literally replaced every sensor or relay on the engine new injectors new distributor you name it it's been replaced the only thing not replaced has been the ECM I even got a Tech mate diagnostic scanner to look for fault codes. the boat starts and runs great...
  20. B

    TPS Low Voltage code

    this is perfect Thank you.
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