stikky_p Posted May 23, 2006 Author Share Posted May 23, 2006 you guys are awesome.. JJ send me your full address i'll have it shipped to you right away.. as well i have a video... if anyone would care to add me to there msn id be happy to send it.. ill try to put it on the net at a site somewhere... Link to comment Share on other sites More sharing options...
stikky_p Posted May 23, 2006 Author Share Posted May 23, 2006 http://media.putfile.com/Nissan-Engine-Problem thats the video for what the engine is doing.. you'll notice the reving.. thats me pushing on the pedal to keep it going.. maybe this will help.. Link to comment Share on other sites More sharing options...
RedPath88 Posted May 23, 2006 Share Posted May 23, 2006 Déjà Vu!! :o I noticed either a puff of smoke or a slight flame.. eitherway it may be an indication of a backfire through the throttle body, which implies that the timing may be off. This "could" also be caused by the ECU being defective (mine also did that) I am glad to see that you are going to let Jason test it out for you... again, even if it works it will rule one thing out. And who knows, it might just solve your issues Link to comment Share on other sites More sharing options...
jj big shoe Posted May 24, 2006 Share Posted May 24, 2006 You've got a pm, Stikky. Link to comment Share on other sites More sharing options...
88pathoffroad Posted May 24, 2006 Share Posted May 24, 2006 *busts out the scanner* Be prepared for FSM scans. This may take a bit. Link to comment Share on other sites More sharing options...
stikky_p Posted May 24, 2006 Author Share Posted May 24, 2006 What will FSM scans do for me.. and where are you gonna send them to... Link to comment Share on other sites More sharing options...
RedPath88 Posted May 24, 2006 Share Posted May 24, 2006 What will FSM scans do for me.. and where are you gonna send them to... Lots and lots of valuable information... they are 2-3 inches thick and have way more information than Haynes or Chiltons do The scans are often posted right here to the board for all to make use of Link to comment Share on other sites More sharing options...
jj big shoe Posted May 25, 2006 Share Posted May 25, 2006 Hey Stikky, Is yours a 5-speed (like mine) or auto? I'm not sure if it matters since I'm just testing to see if my engine runs with your ECU and not trying to drive around, but it would prolly be good to know anyhow. Link to comment Share on other sites More sharing options...
stikky_p Posted May 25, 2006 Author Share Posted May 25, 2006 mines 5 speed.... 87 4x4 v6 5 speed... Link to comment Share on other sites More sharing options...
88pathoffroad Posted May 26, 2006 Share Posted May 26, 2006 30 pages done, 100 more to go...this is almost the entire EF & EC section of the factory service manual for 1988 that covers the V6 FI, ECU and wiring, all engine sensors, how they work, what makes what do what and all that. I will resize the full scans and zip them all up into a folder that I will post a link to. Link to comment Share on other sites More sharing options...
Precise1 Posted May 26, 2006 Share Posted May 26, 2006 88 is cool like that... and other ways... B Link to comment Share on other sites More sharing options...
stikky_p Posted May 26, 2006 Author Share Posted May 26, 2006 awesome thanks 88.... JJ i sent you the computer today.. its gone... you should recive it like next week friday.. Link to comment Share on other sites More sharing options...
jj big shoe Posted May 29, 2006 Share Posted May 29, 2006 My eyes are a bit bloodshot from this weekend, but peeled. I'll be looking for it. Link to comment Share on other sites More sharing options...
stikky_p Posted June 2, 2006 Author Share Posted June 2, 2006 hey guys... jj is testing my computer and all... i talked to a nissan mechanic and he said to try the tps.. is there any way to test this thing.. ?? Link to comment Share on other sites More sharing options...
k9sar Posted June 2, 2006 Share Posted June 2, 2006 you need one of these Link to comment Share on other sites More sharing options...
88pathoffroad Posted June 3, 2006 Share Posted June 3, 2006 *scans FSM furiously* Sorry, been lax the past few days. It's coming. The TPS testing procedure will be in there. I hope you have a digital volt/ohmmeter. In short though(quick check): 1. Remove the air cleaner and unplug the TPS harness connector(not the one actually ON the TPS, trace your wires back and find the other plug on the passenger's side). The TPS is located on the back side of the TBI. Little black box screwed to the TBI. 2. Hold the TPS connector up so you can see the terminals inside the connector. You should be looking at the side of the connector that goes TO the TPS. 3. With the locking tab facing up on the connector, check continuity using the ohmmeter function of your DVOM between the center and right-hand terminals. 4. Either use your hand to open and close the throttle or have someone step on the gas pedal for you. The resistance reading on your DVOM should change depending on the pedal position. If it does not change, you should replace the sensor. Link to comment Share on other sites More sharing options...
jj big shoe Posted June 3, 2006 Share Posted June 3, 2006 Haven't recieved the ECU yet, folks. If it comes tomorrow (Sat) I'll be able to check it that day. If it gets here during the week, it might have to wait a couple days but I'll get on it ASAP. Link to comment Share on other sites More sharing options...
k9sar Posted June 3, 2006 Share Posted June 3, 2006 wow... this is taking a long time. Link to comment Share on other sites More sharing options...
stikky_p Posted June 3, 2006 Author Share Posted June 3, 2006 i tracked the package and on june 1st it says it was out for delivery.. hopefully you will recive it today if you havent recieved it in the past 2 days... ill try that tps check.. i do have a digital meter so we will check that.. Link to comment Share on other sites More sharing options...
stikky_p Posted June 6, 2006 Author Share Posted June 6, 2006 hey.. double checked the delivery date and it appears the package is supposed to get there on the 6th... which is tomorrow.. so hopefully we can get this put in and tested asap as i just sold my other ride tonight and dont have a vehicle ... Link to comment Share on other sites More sharing options...
jj big shoe Posted June 6, 2006 Share Posted June 6, 2006 Yup, not here yet. I'll let you know if/when it shows up Tuesday the 6th. Link to comment Share on other sites More sharing options...
jj big shoe Posted June 8, 2006 Share Posted June 8, 2006 Well, I plugged Stikky's ECU into my truck and fired her up: Good news is the ECU seems to be working properly, bad news is the ECU seems to be working properly. Looks like he's going to have to poke around under the hood some more to find this one. Link to comment Share on other sites More sharing options...
mws Posted June 8, 2006 Share Posted June 8, 2006 Please forgive me if this has already been investigated and eliminated.... I didn't have time to read the entire thread, only the first page. I'll try to make time to review. In the meantime: The initial problem description sounded like a classic case of an out of control (doing the wrong thing at the wrong time) Idle Air Control valve - either due to it being bad, or because it was getting bad directions from the ECU. It sounds like the ECU is OK, so then I would think about errant inputs to the ECU. The main inputs to the ECU that could cause it to midsbehave that badly would be engine speed sensor and TPS. Link to comment Share on other sites More sharing options...
88pathoffroad Posted June 9, 2006 Share Posted June 9, 2006 The VG30i doesn't have an IAC valve. Link to comment Share on other sites More sharing options...
stikky_p Posted June 9, 2006 Author Share Posted June 9, 2006 thanks a ton JJ for the test.. but yeah hes right.. ruled that one out... not the ECU... so i guess its the sensors from here... Link to comment Share on other sites More sharing options...
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