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My Check Engine Light Comes On Intermittently!

n15m0

By n15m0,
in R Series (R30, R31, R32, R33, R34)

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n15m0 Grand Master

n15m0

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Just noticed this a few days ago. When idling or when I take my foot off the accelerator and revs drop below 2k, my check engine light comes on intermittently..and when I rev the car up it disappears! Car seems to be running fine. Checked oil levels everything ok. I've just done a hard reset of the ECU. Will see if it comes on again tommorow. Anyone have a similar thing like this happen?

CWest Collaborator

CWest

Posted
Posted
Just noticed this a few days ago.  When idling or when I take my foot off the accelerator and revs drop below 2k, my check engine light comes on intermittently..and when I rev the car up it disappears!  Car seems to be running fine. Checked oil levels everything ok.  I've just done a hard reset of the ECU.  Will see if it comes on again tommorow.  Anyone have a similar thing like this happen?

Yeah my 34 did that about 2.5 years ago. Only when the rev's were dropping. The check engine light would come on and then go away and the car felt fine. It would happen most often when the car was cold.

I didnt bother with it for about a month or so. Then I could hear it misfire etc.

Got a nissan dealer in the upper north shore to look at it, through the Nissan Consult program. Cost me $600 and 3 days for them to figure out and replace a faulty coilpack.

Moral of the story: Try to figure it out yourself before taking it to someone, it could be something really simple. R34 coil packs are the same S2-R33 you can get them for less than 150 second hand. I wish I had just bought one 2nd hand and done it myself and saved myself all the hassle. Since then I have had the engine light come on again. Went home logged onto SAU, got a 2nd hand coil pack for $80, replaced it myself, light has not been on for 1 year.

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