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djipka · 11-18-2008, 09:48 PM

guys, I ran into something new and unknown till now. My CEL would not illuminate when there are codes for some reason. I had a couple of mins before work and decided to check for codes since I never did that after I changed the KS. And to my surprise...... there was a code. it is 0407 which is Crank position Sensor (ref). I am not sure what the REF stands for but I haven't read the FSM yet.
Also on the way back from work I tried to test the CEL. When the key is ON the light comes on as it's supposed to.
What I did was pull over, turn the car off. I unpluged the MAF sensor and went back on my way home. The did go into the 'safe mode' and would not go over 2400 rpm but NO CEL???? I came home and the first thing was to check the codes again. To my surprise (another one) there was no code for the MAF. I only had the CPS code. I have tried this thing with unplugging the MAF before and the code came up.

I have no idea WTF is going on.
PLEASE HELP A BROTHER IN NEED!!!!!

11-18-2008, 09:48 PM	#45
djipka Senior Member 96 Maxima GLE Join Date: Nov 2007 Location: SLC, UT iTrader: (2) Posts: 546	guys, I ran into something new and unknown till now. My CEL would not illuminate when there are codes for some reason. I had a couple of mins before work and decided to check for codes since I never did that after I changed the KS. And to my surprise...... there was a code. it is 0407 which is Crank position Sensor (ref). I am not sure what the REF stands for but I haven't read the FSM yet. Also on the way back from work I tried to test the CEL. When the key is ON the light comes on as it's supposed to. What I did was pull over, turn the car off. I unpluged the MAF sensor and went back on my way home. The did go into the 'safe mode' and would not go over 2400 rpm but NO CEL???? I came home and the first thing was to check the codes again. To my surprise (another one) there was no code for the MAF. I only had the CPS code. I have tried this thing with unplugging the MAF before and the code came up. I have no idea WTF is going on. PLEASE HELP A BROTHER IN NEED!!!!! __________________ Proud 4th Gen Owner!