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  1. J

    Camshaft sensor metal dust contamination

    I just got my engine rebuild and one of them has a sensor problem. I get an engine light for the camshaft position sensor. I replaced with a new acdelco and once installe it runs fine for 10 to 15 min. I remove it clean it and goes good for an other 10 to 15 min. My engine has run approximately...
  2. J

    Mefi 4

    Now it’s the crankshaft that giving me the trouble, I suspect that it needs shims when installing, it rubs in the internal disk.
  3. J

    Mefi 4

    After hours and hours of labour and parts I finally repaired my engine problem. Never, never, never by aftermarket electronics parts. After replacing with 3 new Camshaft sensor I réalise they where defective. I switch from one engine to other and found out even new they where defective. New...
  4. J

    Mefi 4

    Yes VHS distributor and yes It’s quite easy to adjust can retard with my gateway I have 2 new VHS distributor on it’s way, hope this will solve my problem
  5. J

    Mefi 4

    Both are LH Why can’t I adjust the can retard with my gateway? I don’t have a scan tool like DIACOM
  6. J

    Mefi 4

    Yes I did but nothing change. I replace it where it was. My gateway (Fox) says 0 for the cam retard no matter how it’s turn. The original was at 45 when I started the engine this spring and to up tain 45 my distributor had to be touching the intake. By the way, don’t know if it does a...
  7. J

    Mefi 4

    Engine run’s with a engine light and buzzer. Get a code 81 for camshaft position sensor, replace twice with no change. Engine run’s smooth but the cam retard says 0 it should read 45
  8. J

    Mefi 4

    Can’t send file to big
  9. J

    Mefi 4

    Sorry DTC81 If you are referring at conductivity on all wires from crankshaft sensor and distributor sensor yes I did. All my wires are good with no resistence. I also disconnected the red and pushed 12v with a seal beam to see if my res wire is good. Every thing works but still get a 81 code...
  10. J

    Mefi 4

    I don’t see any detail for this DRC81 troubleshooting, can you help?
  11. J

    Mefi 4

    I replace both sensor (ckp and cps) with new purchase on Ebay. Still get engine light and message on my gateway says camshaft sensor fault.
  12. J

    Mefi 4

    You are good, thank you never thought the label was important I was blind with the drawing. B with B A with A
  13. J

    Mefi 4

    I also checked the Mercruiser shematic and same thing, the middle cable from the ckp is going to the middle cps
  14. J

    Mefi 4

    Page 5-19 shematic and L510005P
  15. J

    Mefi 4

    Yes I know all that. I also checked if all my wires are good, no resistance. Here's the schematic I found
  16. J

    Mefi 4

    Pcm site
  17. J

    Mefi 4

    I have a engine light due to cmp fault I pull out the shematic for mefi 4 and the yellow wire from ckp shows it goes to the middle position of the cmp. Mine does not go in the middle goes at the brown place. Looks like the schematic is wrong for my engine, was there a revision since? My engine...
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