Recent content by npfd

  1. npfd

    three knocks heard at idle after sitting overnight

    thank you Ducked, is this the procedure of spraying mist water in the intake? I'm not comfy trying that out yet.... any other addivites, that worked for you? Thank you
  2. npfd

    three knocks heard at idle after sitting overnight

    Just another update.... Usually check the oil every month, this time went 1.5 months, and itwas about a quart low. One thing is the temperature has warmed up from the - 5 celsuis to about 10 c now.. would the warm weather have burned out all the condensation? I try to drive it at least 5 kms...
  3. npfd

    three knocks heard at idle after sitting overnight

    hi all another update, I do recall last year, that after I shut the car off while sitting in it for 5 minutes, I heard that double knock while sitting.. sounded in the front as always. Now with the weather being colder, I shut off the car, I happen to do things near it for a while and hear...
  4. npfd

    three knocks heard at idle after sitting overnight

    Thank you Moklock, I noticed a few weeks ago, I heard the first know then got on the gas to accelerate and didn't hear the rest. I could be making things up, but its not the first time I've had my head, turned left, and heard the knock from the back of the car. Unless its the solenoid...
  5. npfd

    three knocks heard at idle after sitting overnight

    another not so good update, after about 1.5 months i had to add oil from one bar to 4.... After we had some rain, then washed the car, noticable oil spots on the driveway, rear part of engine.. When it rained, had the car nosed in, washed, car reversed in... Since we got the car I've noticed...
  6. npfd

    three knocks heard at idle after sitting overnight

    Thank you Clevy for the input.... Could be a possibility just not sure on how to go about testing the knock sensor... I thought it could be the combustion chamber.. ran BG 44k, once, and the oil level dropped, ran lucas upper lube, and ran the Techron 2 times so far, might do a third soon...
  7. npfd

    three knocks heard at idle after sitting overnight

    Thank you for the reply... I had the A/C refilled a tad due to it not working as well..... and I did see some spray marks around it this passed spring.... I did try with the AC engaged, and still heard the knocks.... I will have to look into things a bit more.. thanks... would it be a rod?
  8. npfd

    three knocks heard at idle after sitting overnight

    Thank you very much again Trav, I will have to look into testing out the air pump, as for someone to listen in on the issues will be hard... I tried it in neutral while waiting at the light, same knock.. actually now I notice that he first knock sounds a little different than the next two...
  9. npfd

    three knocks heard at idle after sitting overnight

    Thank you again for the input, lol at the song.... I do think I'm SOL.. I have remote started it and let it run for 10-15 minutes from afar didn't hear anything.... Usually happens when the car is stopped, at a red light, or let off the gas and moving.... Could the secondary air pump make that...
  10. npfd

    three knocks heard at idle after sitting overnight

    thank you for the input, forgot to mention happens when I'm stopped, the knock, or sometimes coasting to a stop....
  11. npfd

    three knocks heard at idle after sitting overnight

    Thank you everyone, and welcoming me too Greg. I forgot to add that yes we did the Coolant drain and refill. We checked a few times with the bleeder so that there is no air. As for additives, I've only used the Auto RX, and the Techron. I haven't really checked the belt/tensioner... thought...
  12. npfd

    three knocks heard at idle after sitting overnight

    Hi all, The car is a 2007 Grand Prix, with the 3800 N/A. We bought it second hand in 2011 with about 57k kms, now it has about 102k kms. I used to hear this a while ago, I think even the first winter when we had the car. Let the car sit overnight, and start it and drive several minutes and...
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