SES light Engine Knocking and RPMs bounce


Asked by Jul 07, 2016 at 08:09 PM about the 2003 Infiniti I35 4 Dr Luxury Sedan

Question type: Maintenance & Repair

So I just got this 03 infinity i35 and everything was good
it's just there was a engine hesitation and I was told that it
was the ingnition coil ? The RPMs fluctuate up and down
idling and I hear a knocking from the engine sometimes . I
was thinking many because the engine was shaking
against something but idk someone please help

3 Answers


Service Engine Soon...light? perhaps you ought to do that...filters get choked...wearing parts get worn...motor needs oil...of course the airbags are a touchy subject...just take it in as it's askin' ya to do~

1 out of 1 people think this is helpful.



Check the knock sensor. It regulates the timing. I'm having a similar issue on my xterra

1 out of 1 people think this is helpful.

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