Jump to content

Due to a hardware failure on the hosts systems, all posts and messages created between May 26th and Jan 13th have been lost. Additionally, if you joined the NPORA Forums community during that time, you'll need to re-register. -NPORA Mod Team *Updated: 05/19/2022 12:15AM PST


  • Posts

  • Joined

  • Last visited

Posts posted by Josh_Path2346

  1. I have already checked for codes and it gave me #55 (no malfunction). Its a new tbi unit so Im assuming the whistling is because I cleaned the EGR port and the pipe on the mixture pre-heater is making it whistle. Ita at a shop (that I work at) and Ive gotten it to run. However, it is extremely rough. The surging has gone done quote a lot, it idle and runs, but is very, vey rough. I replaced the 2 injectors and we tried messing with some vacuum lines but its stop really rough. Maybe ignition timing? 

  2. And the whistling noise is coking from inside / underneath the throttle body. However I have just swapped tbi units and its still whistling so its not a gasket. Im thinking the mixture heater pipe is causing the EGR tube to make a whistling noise 

  3. Im pretty sure it isnt timing because itll run for just a few seconds then ill choke itself out while it sputters to a stop. My timing belt was serviced before I bought this truck but the sticker has been wiped clean so I cant see the mileage anymore. 

  4. I have an '88 Pathfinder 3.0 v6 that has been giving me trouble for the past 5 months. I just replaced the throttle body (entire unit, sensors too) and now I have a whole new problem. It used to surge up and down erratically, but now it wont even stay running. I think its flooding itself out. It also has a high pitched whistle (no, I dont have a vacuum leak. Ive checked) and will run fine for a few seconds then stumble and die.  Ive been struggling for months with this problem, can someone please help me?

  5. I have checked my computer and got a code 55 (no malfunction) I could take the throttlebody off and try the throttle plate screws. It didnt close all the way when I had it off replacing the gaskets. However, there it literally no suction coming from the throttlebody. Im going to test for vacuum leaks tonight

  6. My 1988 Pathfinder VG30i gave me a 55 (no malfunction) today, however there is a vacuum leak that might be causing the idle do rev up and down (approximately 1700-2500). I chased it down to behind the throttle body. Should I take it off and try to tighten it down again or look for something else? 

  7. My 1989Pathfinder has been having problems for months. I can't figure out why the idle is surging (2000-2700 up and down). I've rebuilt the throttle body, replaced the mixture heater, the IACV, the wax type elements, amd cleaned the EGR. I have new plugs and I'm certain I don't have a vacuum leak anywhere. Could this be an ECM problem? Any ideas are worth trying

  8. Never mind, I got it to work finally. What would timing do to effect the idle surging up and down? I'm sure the EGR and its solenoid work because I cleaned them out by hand. I've checked all my vaccum lines and there's nothing to suspect of them. Its not a fuel problem either, as for the first 10 seconds it runs (rpm at or around 3000) and then it drops idle (1500 rpm) and starts surging. Should I mess with the timing? I know there's no ignition problem, as I just replaced the plus and they all seek to work. I've never let it warm all the way up either, as I'm too scared to let it blow up

  9. Ive checked my distributor and it seems pretty clean. Im gonna go ahead and replace my spark plugs. Ive been told that its most likely a vaccum leak somewhere, and Ill probably hunt it down this weekend. Any ideas on what it might be? I know theres a ton of hoses and lines going every direction

Welcome to NPORA Forums


Please register to gain full access to the forum.

Make sure you read the Forum Guidelines and don't forget to post a new intro in the New People Start Here! section, to say hi too everyone.



  • Create New...