
Dave



I had to repace my passantlger side cv joint once I got to to luckly my buddy knew somebody I could use there shop. After I did there is still vibration when I acellarate. Now my check engine light is flashing and my car is running really rough help travis please I can get stranded in Florida
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Nick


sounds to me like a bad misfire

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Blinking check engine light usually indicates a misfire. Check the plugs.. Also, could be something haywire with the electrical system, since you never really tracked down the problem for the no-start issue.
CV's on lowered cars are always open to compromise.. especially when you start making more power.. The angle is all wierd when you drop the car.. which puts more stress on the CV joint. It happens...
I wish the car was in front of me.. it would certainly help in diagnosing this stuff.
Travis
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I thought you put a resistor on the CEL so that it wouldnt show up on vq swaps?
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I usually do.. I had hooked his back up for trouble shooting when I first got it running.
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Dave



travis I scanned it and there is a random misfire code and cam sensor too far advanced I don't remember what bank can you please call me and help me trouble shoot this over the phone (617)750-9583 I don't want to get to get stuck in fl
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Dave



I took it to Nissan they were more amazed and were like uhhh we can't touch that
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Dave



I replaced both cam sensors and same shit
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Dave



Well there is oil in my intake manifold and there was I don't know why it's missfiring travis I really need your help his swap is starting to be more problems than it's worth. Travis if I can get the car back to you would you fix it?
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Did you replace both sensors with new sensors..? Or used ones? What year/model VQ were they from?
The missfire code is most likely associated with the cam sensor issue.. which is what I've suspected since all of this started. It's gotta be something from when the motor was pulled/installed.. that's the only logical explanation.
The oil in the intake manifold is normal.. the PCV system vents the crankcase oil vapor into the intake manifold.
I would be happy to work on the car if you get it out here. And, I'll work with you on parts/labor..
Travis
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The cheaper/more logical sollution may be for me to fly in, and fix it up there.. instead of spending a shitload of money to transport the car back/forth, plus the parts/labor on top of that. Whatever it is.. I'm sure it's something that I can handle up there.. since you seem to have access to a lift/tools, if need-be.
Travis
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Dave



well sounds good give me a call and we will talk dates
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James




WhatNissan wrote:
well sounds good give me a call and we will talk dates
change your plugs. you said that as it goes up in RPM, the misfire goes away. sounds like a fouled plug to me. 

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Dave



I checked the plugs they don't look bad it's like a smooh misfire los of power that so
E times comes back for a second. But it's constant even at idle it still misfires at high rpm when you get to high it feels bad as long you stay at like 2 1/2 or 3 grand it's fine well not fine but driveable any thoughts?
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Doug



WhatNissan wrote:
I took it to Nissan they were more amazed and were like uhhh we can't touch that
just tell them to look at it like an altima SER 
flashing light means a catalytic converter damaging misfire. -thats the exent of my help here.. sorry dont know anything about travis's crazy magical vq swaps and thier wiring. personally id check the usual causes for a misfire if it was running fine before and then started screwing up randomly
1/4- 15.939 @ 88.65mph 

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Flashing light doesn't mean anything about a catalytic converter.. It just means that the ECU detects a miss.
Dave, unplug 1 coil pack at a time, until you find the dead cylinder.. Then, switch the coil pack with one from another cylinder that you know still works. Start it back up, and see if that cylinder now fires, and the other one that you switched with, doesn't. That will eliminate a bad coil pack.
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Doug



actually your wrong... im not getting argumentative with someone as knowledgeable as yourself, but a flashing check engine light means it is a catalytic converter damaging misfire, a regular misfire will just illuminate the light, under OBDII regualtions the check engine light must flash when the catalyic converter is in danger of being damaged a really bad misfire and/or afr's being to an extreme where the cat will be gathering more gasoline and not enough oxygen and it will case failure. i just learned it in school during advanced OBDII.
1/4- 15.939 @ 88.65mph 

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Dave



do you think it's an 02 sensor?
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Dave



new information here are all of the codes
P0300 random multipule cillender misfire
P1490 manufacture auuillary controlls
P1706 manufacture controll transmition
P1800 transmition one again
P0550 power steering pressure malfunction
P1805
P1564 manf. Crtrl idle speed inputs
P0037 ho2s bank 1 sensor 2 heater circut low
P0057 ho2s bank 2 sensor 2 heater circut low
P0183 fuel temp sensor a circut high input
P0462 fuel level sensor a circut low input
P0444 evap emmision controll system purge valve c open
P0021 cam shaft position actuatator a bank 2 timing over advance
P0447 evap emission controll system vent circut open
I got those codes at auto zone with there scanner but when I hooked it up to one of those expensive scanners at my buddeys shop and it it wouldn't power up. Something is tucked up a loose wire or a blown fuse maybe
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The only 2 codes that are important out of that list..
P0300- Random misfire
P0021- Camshaft position over advance
The rest are normal..
Last edited by Trav4011 (2008-10-23 20:29:24)
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The P0021 code is going to be for the CVTC actuator.. which is located on the left side of the oil filler cap, and down a little ways, if you're looking at the car from the front. THere's a green plug going to it, with two wires coming out.
The causes for this code can be.. bad, or wrong camshaft or crankshaft position sensors, bad coolant temp sensor, or simply, a bad CVTC sensor itself. The misfire is going to be caused by this code..
Travis
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Dave



do I just just switch out that acuator days when I was putting the motor in I broke that plug off the cillender thing and I just superglued it and it worked. is it easy? Do you have one?
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Dave



it's a constant and it doesent have as much power and I don't want to drive it as much
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Dave



what about the fact it won't power up the wireless obd2 scanner
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WhatNissan wrote:
do I just just switch out that acuator days when I was putting the motor in I broke that plug off the cillender thing and I just superglued it and it worked. is it easy? Do you have one?
Well, there's your problem..
That cylinder is a hydraulic actuator, and it's very sensative.. I don't have any spares.. Those things always show up broken.. As you can tell, it's very easy to break when moving the engine around. I'm constantly replacing them on engines that I get in.
Travis
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WhatNissan wrote:
what about the fact it won't power up the wireless obd2 scanner
Sounds like you have a blown fuse somewhere.. check your fuses under the dash on the driver's side.
As far as changing out the actuator.. it's pretty easy.. it's held on by a few bolts, and there's a gasket. I can get the part number(s) for you to give to Nissan, if you want me to.
Travis
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Dave



yea but I super glued it and it worked for a while and I checked the fuses nothing was blown
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Dave



it seemed like it went out all at once or maybe over time I'm not shure but the check engine light started flashing all at once what fuse would cause or wire that to happen when hooked up to the scan tool? Can you call me and help me figure this out man?
Last edited by WhatNissan (2008-10-23 21:56:18)
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Dave



whenits running every now and then I hear a pssh sound from the actuatator I belive is that normal I would say every 20 or so seconds
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Dave



I checked it and the part that I superglueed is holding fine
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Dave



travis wwould you come up here to fix it this crap is driving me crazy nobody knows anything about it but you
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James




the VVT solnoid? I have 3

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WhatNissan wrote:
yea but I super glued it and it worked for a while and I checked the fuses nothing was blown
Double check your "electrical parts" fuse. That was the reason my OBD-II scanner wasnt working...
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Dave



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Dave



James. Can I get one off you?
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its like the very bottom fuse on the interior fuse panel, it may differ a little bit you being an 04+ so check the back of the fuse door for it.
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James




WhatNissan wrote:
James. Can I get one off you?
Im on terminal, but I may be in Jacksonville next weekend if you can wait. I will be there Sunday

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Dave



so I unpluged each coil pack like travis said and the one by the throttle body closest to the rear is the only one that didn't change anything. I'm curious how bad is it that I was driving it like that if that's it.
I mean I drove it from Florida to Nc it didn't seem too bad as I was driving it I didn't get on it
Last edited by WhatNissan (2008-10-24 13:45:12)
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Change the CVTC solenoid.. that's your first step. You are throwing a code for it and it was bumped/cracked.. so, that should be your first step. If the misfire doesn't go away, then, we can look at replacing the coil pack on the cylinder that's misfiring. This is how you go about diagnosing/fixing a problem with any car. Pull the codes, and work down the list. Eliminate the codes that could be causing the problem, one by one, until the problem goes away. Taking guesses, and getting frustrated because the problem isn't going away isn't going to to help.
You can do everything that I would do if I was there.. just by listening to what I tell you to do. Replace the CVTC solenoid.. Clear the codes, and run the car.. If the problem doesn't go away, check the codes again, and go from there.
Travis
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At the very least, you could pull the coil, and plug from the cylinder in question, and inspect them both. Clean the plug with parts cleaner, and reinstall it. Then, swap the coil out with one of the front coils, that you know is working. Then, see if your rear cylinder is now work, and the front one is dead.
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Dave



travis the car even misfires at idle I in hooked the solinoid and it did nothing I in hooked both of them nothing it's like it doesn't matter untill your in the high rpm
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Pull the coil pack/plug, clean the plug, and swap the coil out with one from the front, since it's easier to get to. If the miss on the back cylinder goes away, and is now in the front, then, you know that you have a bad coil pack. But, since you're throwing a code for the CVTC, then, you need to replace the solenoid, since it's obviously got a intermitent short.
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Dave



ok I pulled that coil pack and the stem was burnt and the boot. I replaced it and it fixed my problem. Before that I smelled burning plastic and now I see why. But when I accelarate it shakes still and I thought I started to smell it burn again. What could cause this?
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michael

replace that coil pack i looked at today and you should be fine. if you want me to look at it let me know man im willing to help.
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Dave



Mike I would really like it you could look at a few thing with me my car shakes when I accelerate
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Dave



ok it did that no start thing again tonight with MY family it was really embarissing. But this time taking off the negitive termainal and hooking it back up didn't work jumping it didn't work you could hear the fuel pump going you couldn't hear the injectors firi gg when you tried to start it. Travis I have been asking if you could call me to help me figure this stuff out I would really apreacate it if you could. It did start after 30 min of fucking with it.
Last edited by WhatNissan (2008-10-24 21:38:15)
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Burnt coil pack(s) could indicate a ground issue, or power issue.. The shaking is misfire upon acceleration.. Do me a favor, Dave.. and make sure that you didn't somehow pinch the wiring harness, or burn it on the back of the motor..
VQ35 coil packs do burn out.. it's not a "common" issue, but, I've seen it happen before. I just wish that I had the car in front of me, and I could diagnose/fix the problem. Can you send the car out here? I can fly out there, but, I would hate to not have the right part(s), and or tools to fix this. Out here, I have the Consult II, and parts/tools for the job.
Travis
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WhatNissan wrote:
ok it did that no start thing again tonight with MY family it was really embarissing. But this time taking off the negitive termainal and hooking it back up didn't work jumping it didn't work you could hear the fuel pump going you couldn't hear the injectors firi gg when you tried to start it. Travis I have been asking if you could call me to help me figure this stuff out I would really apreacate it if you could. It did start after 30 min of fucking with it.
Dave, I can't fix the car over the phone.. I don't mind talking over the phone.. I've just been extremely busy. I need the car in front of me to figure this out.