VEHICLE WILL NOT START @ ALL..!!

2001 Infiniti QX

Tiny

KeeC.

September, 20, 2012 AT 1:58 PM

Thanks for all the answers you guys. Last night It begin to get a little late so I went out this morning& tried to start the car. Its back to that clicking sound again! Doing nothing but a click! I did get a diagnostic test done a few weeks ago from auto zone. P0300 is one code.& I needed to change one last spark plug& I changed that yesterday& it also reads the other probable cause could be a vacuum leak! I just don't know how to determine the vacuum leaks. Also my oxygen sensors need to be changed! It also says that system is running rich or lean! I'm lost& frustration is setting in.I'm trying to do whatever I can myself b/c everyone is very pricey when it comes to this vehicle! That's why I appreciate all that you have helped me with

Tiny

KHLow2008

September, 20, 2012 AT 2:10 PM

If you want to do things yourself and needs our assistance, you need to follow instructions acccordingy. If you want to listen to what others can offer, let me know so I can opt out.

Tiny

KeeC.

September, 20, 2012 AT 2:33 PM

Im asking for the help from you guys.I will do my best to follow the instructions. It's just getting to me.B/c I think it's a minor problem

Tiny

KeeC.

September, 20, 2012 AT 6:10 PM

Hi. KHLow2008. Any suggestions? The vehicle is still not cranking. Only making the same clicking sound. Nothing more. Nothing less!

Tiny

KHLow2008

September, 20, 2012 AT 7:21 PM

You don't seem to be following what I have suggested. This started from the beginning and I had already told you what to do and have you done those?
Check starter, battery and terminal connections.

Tiny

KeeC.

September, 20, 2012 AT 8:47 PM

Hi.I just recently made it home.I checked the battery& the terminals&& I did tap the starter it did crank after a few times but it will not stay on if my foot is not in the gas.& When I let off the gas it shuts off& did not want to crank again so easily

Tiny

KHLow2008

September, 20, 2012 AT 10:31 PM

This means the starter is not in good condition and might need repair/replacement.

As to the running issues, get the codes read again and see if there are none, you need to check the idle control system which. Have you found the air leak (vacuum noise)?

Tiny

KeeC.

September, 21, 2012 AT 1:26 AM

Thanks. Could you let me know how to go about checking the idle control system please.I don't know where to begin when that is concerned. When I changed my last spark plug which is the 2nd one on the driver side I removed the big hose (not sure of the proper name) Its connected to my throttle body.I noticed my throttle body was dirty.I also changed a small hose that was dry rotted& looked original thought maybe that would've helped. It didn't.I have not located the air leak yet.I am so confused right now b/c it sounds Like it wants to run good when ever it does start up. How could I go about repairing the starter If possible

Tiny

KHLow2008

September, 21, 2012 AT 6:11 AM

You need to get the engine running first before you are able to get it to run properly. If the starter cranks intermittently, it usually means the carbon brushes are running low and the knock of the starter can only work for a short period of time before it completely fails. Unless you have the knowhow, tools and parts to perform repairs the only thing you can do is replace it.

The big hose is the air hose I refered to. If any part of it is leaking, you would have running issues.

You mentioned the throttle body being dirty, you would need to clean it up as a dirty throttle body would affect the idling.

Tiny

KeeC.

September, 22, 2012 AT 4:27 PM

Good morning.I went out this morning& cleaned my throttle body. The car still will not stay on unless I keep my foot on the gas pedal.

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