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HI,

a while ago I had this problem with my engine shutting down without stalling ..just off..

So I set my hand controler to monitor knocking figure..

I noticed that some times...when accelerating at 4th or 5th gear, the engine light will flash quite a lot..and the knock sensor bar thingy went above half 3/4 the bar at some event....is this because of bad tuning?

It sometimes flashes sometimes not...so to prevent damage I got myself octane boost... it help a bit...but at times the engine light still flashes..it gets more and more frequent

anyone has this problem..

it's on R34...lightly moded...only pfc, 2.5" xhaust, CAI box, pod

advice please

thanks

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I got it tuned in X-speed in W.A...they are reputable...no ticking noise so far.. the problem is the knocking is on and off...and it gets worse and worse..initially only 5th gear...now gets to 4th and 3rd gear as well...the mapping should not change..I didn't touch anything..

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I got it tuned in X-speed in W.A...they are reputable...no ticking noise so far.. the problem is the knocking is on and off...and it gets worse and worse..initially only 5th gear...now gets to 4th and 3rd gear as well...the mapping should not change..I didn't touch anything..

reputable or not, i would still take it back and tell them what is going on. it isn't possible to simulate all road conditions while tuning on a dyno, so although the tune may be safe on the dyno, it might still need a touch up.

the longer you leave it knocking, the more likely it is you're doing damage to the engine

topaz - ticking may be lifters? try a search

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