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  1. J

    Engine/Transmission (1998.5 - 2002) 1690 code new vp44, ecm, cam sensors PLEASE HELP

    HAH forgot about this post. YES finally found what had happend. The cam gear had moved on the cam and allowed cam to move forward. The gear was actually rubbing against the front cover at times. Pulled the cam out, put it back where it should have been and havent had an issue since. That was 20k...
  2. J

    Engine/Transmission (1998.5 - 2002) 1690 code new vp44, ecm, cam sensors PLEASE HELP

    Ok took it to the dodge dealer... . $2098 later... same issue. They put in a BRAND NEW ECM, BRAND NEW VP44. Checked all wiring. Same issue as when i brought it in P1690-FUEL INJECTION PUMP CKP SENSOR DOES NOT AGREE WITH ECM CKP SENSOR Only code that comes up. Can anyone here help me? I have...
  3. J

    Engine/Transmission (1998.5 - 2002) 1690 code new vp44, ecm, cam sensors PLEASE HELP

    Got #4 in. Different ECM and the same issue... Any more ideas?
  4. J

    Engine/Transmission (1998.5 - 2002) 1690 code new vp44, ecm, cam sensors PLEASE HELP

    Sending mine in for a 3rd time, i did the same and told them to send me a different ECM. Sure hope its that easy! Was your truck missing at idle with the bad ecms?
  5. J

    Engine/Transmission (1998.5 - 2002) 1690 code new vp44, ecm, cam sensors PLEASE HELP

    Checked alternator wires, separated them, took them off cleaned the connections. Got another ecm from ACE and it still does the exact same thing. Any other ideas? Im going to take it back to the shop tomorrow.
  6. J

    Engine/Transmission (1998.5 - 2002) 1690 code new vp44, ecm, cam sensors PLEASE HELP

    Thanks i will check the alt wires now! My truck is an 01 and doesnt have the crank sensor. Kinda wish it did since that would prob be the problem haha
  7. J

    Engine/Transmission (1998.5 - 2002) 1690 code new vp44, ecm, cam sensors PLEASE HELP

    Wow thanks for the reply. I will call them in the morning and get it sent back. Not sure if it is for sure the problem but sure worth a try since its free replacements.
  8. J

    Engine/Transmission (1998.5 - 2002) 1690 code new vp44, ecm, cam sensors PLEASE HELP

    Been having problems with my truck throwing the 1690 code and missing at idle. I took it to a shop and they told me i had a bad ecm. So i got a computer from Auto Computer Exchange. Disconnected batteries for 2 hours, took old ecm out put new one in. Cleared the codes with my scanner, started it...
  9. J

    you ever figure out your surging problem? i am having the same issue with a 01 after replacing...

    you ever figure out your surging problem? i am having the same issue with a 01 after replacing apps, vp44 and reflashed ecm
  10. J

    Engine/Transmission (1998.5 - 2002) Missing and engine knocking Please Help!

    Took it in to a local diesel mechanic and he said its a bad ecm. His computer will not even talk to the ecm and said he has had this problem before and ecm fixed it. My question is, where is a good place to get a ecm besides the dealer? I see em on ebay for $600 but read a few other forums where...
  11. J

    Engine/Transmission (1994 - 1998) Got a new 12v truck and has a knock??

    No rust at all. Its a CO truck. Has a dodge 1500 cab on a 3500 frame/suspension. Send me your email address and i will send pics. Think i will put it on craigslist tomorrow. If it doesnt sell there i will just pull the motor and have it rebuilt. I would rather have 2 trucks but if i can sell it...
  12. J

    Engine/Transmission (1994 - 1998) Got a new 12v truck and has a knock??

    Got the quote today... ... . #@$%! $5300 - 5800 :eek: to have it fixed and rebuilt... he said if I remove the engine it would be about $2000 anyone in the Colorado area want a new truck? LOL Not sure what i should do now... . :{
  13. J

    Engine/Transmission (1994 - 1998) Got a new 12v truck and has a knock??

    Whats the average cost to have a piston replaced?
  14. J

    Engine/Transmission (1994 - 1998) Got a new 12v truck and has a knock??

    Swapped injectors and same problem on #6. I brought it to a local diesel shop and they told me i probably have a bad wrist pin. I am still waiting on a price quote for the total repair but have a few questions. Since i have had the truck i have drove it about 5 to 6000 miles. Is it likely i have...
  15. J

    Engine/Transmission (1994 - 1998) Got a new 12v truck and has a knock??

    LVJUNIOR: have you tried cracking the injector lines to see which cylinder your knock is coming from? I ordered injectors and should have em here tuesday, sure hope we can get our issues fixed. Mine has not gotten any worse after driving 3000 miles. I can still hear it all the time but it stays...
  16. J

    Engine/Transmission (1994 - 1998) Got a new 12v truck and has a knock??

    Well after driving about 30 miles, the knock came back. I changed idle to 850 rpm and it runs alot better. Installed a new overflow valve and it didnt seem to help anything, although now i have a spare. I had a leak on my water sensor o ring which was causing my hard starts in the morning. I...
  17. J

    Engine/Transmission (1998.5 - 2002) Missing and engine knocking Please Help!

    Cleared the code a few times and i did not find a crank sensor. I let it run yesterday for about 10 min and there is no knock just missing/stumble and the tach goes crazy. Think i may buy 1 more cam sensor and if it doesnt work i guess my VP44 is the problem? I need to do something to get my...
  18. J

    Engine/Transmission (1998.5 - 2002) CAM SENSOR? Engine codes

    I have the same exact problem with my truck. It has been missing/stumble and the tach goes to zero or changes 200 rpm. I have replaced the cam sensor twice with new parts from mopar and car quest and have the same codes and issues. I havent been able to drive the truck for over 5 months because...
  19. J

    Engine/Transmission (1994 - 1998) Got a new 12v truck and has a knock??

    Been working alot and havent got to try cracking the injectors yet. When i leave for work its too cold to crack them and by the time i get off work its too late. I did change the fuel filter just to see if it would help, AND IT DID. I can barley hear the knock now! It is about 1/4 of what it...
  20. J

    Engine/Transmission (1994 - 1998) Got a new 12v truck and has a knock??

    ATA: Thanks for the tip, i will try cracking injector lines in the morning. If that is what is happening, why would it not do it when coasting down a hill with no throttle? I am not doubting you, i just think it would do that running all the time, load or not? I am no expert just trying to get...
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