Just Did Tune Up And....................
04-05-2005, 10:04 AM
#5
Clean the injector connector and measure it's resistance across the connector. If you can get at it.
Originally Posted by ganjahbaby7
of the three in front its the one in the middle,not sure of the number
04-05-2005, 10:43 AM
#7
Senior Member
Join Date: Nov 2003
Posts: 206
Originally Posted by Jeff92se
Clean the injector connector and measure it's resistance across the connector. If you can get at it.
04-05-2005, 11:22 AM
#8
Originally Posted by MAXI
Jeff... i wanna get your opinion on this.....a buddy of mine said that to get an accurate reading on the injectors, it is best to disconnect the negative terminal.
04-05-2005, 01:22 PM
#9
Senior Member
Join Date: Nov 2003
Posts: 206
Originally Posted by DanNY
ask your buddy why does it matter? you're just measuring the resistance between the 2 terminals on the injector itself. nothing else should be connected to the injector. the resistance is internal to the injector itself.
04-05-2005, 02:21 PM
#11
Originally Posted by MAXI
he's probably thinking that the electrical current from the battery, since it is grounded, can interfere in getting an accurate reading????? i'l ask him tonight.
04-05-2005, 04:05 PM
#13
I have the same problem (the missing at idle). i changed all the stuff he did, and i checked to resistence on 4 of the injectors. I coudlnt get to the other 2. All the injectors were changed about 6 years ago, with Nissan ones.
Any ideas???
Any ideas???
04-05-2005, 08:46 PM
#17
Member
Join Date: May 2004
Posts: 181
take off and clean all of the electrical conectors on the injectors with carb cleaner, i had this problem on my old max and there was some corrosion on the connectors, and by the way the 1990 vgs do have a knock sensor its just located in a different place
04-05-2005, 09:50 PM
#18
Donating Maxima.org Member
Join Date: Apr 2003
Posts: 511
Originally Posted by aminus21
No, VE's do though.
Uh, yeah they do actually, don't post invalid information.
And they can cause an uneasy idle. Easy way to tell if the detonation sensor is bad is to run an ecu self diagnosis.
or do as Wiking say's and:
Originally Posted by wiking
Knock Sensor:
The knock sensor on VG30E engines is located under the rear exhaust manifold.
Just use an ohm meter at the subharness and check each terminal (going to the KS) to ground (battery negative). Resistance should be around 0.5 Meg Ohms (500,000 Ohms). When mine was bad it read 5 Meg Ohms (5,000,000)
The knock sensor on VG30E engines is located under the rear exhaust manifold.
Just use an ohm meter at the subharness and check each terminal (going to the KS) to ground (battery negative). Resistance should be around 0.5 Meg Ohms (500,000 Ohms). When mine was bad it read 5 Meg Ohms (5,000,000)
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