Knocking/ ticking noise at high rpm. Help!!
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Join Date: Sep 2012
Location: Orlando, Fl
Posts: 39
Car Info: Subaru impreza sti 2004/ spec c/ vf 37 twin scroll
Knocking/ ticking noise at high rpm. Help!!
Dears,
I have tried searching over the internet and different forums for days but nothing like the problem i am facing.
I cannot tell whether its a knock/ tick noise. Whenever i accelerate and reach high rpm's, specifically 5.5-6 rpm, i hear that noise of a knock/ tick at the driver side exactly where the fuel return line is (maybe above the pedals). The noise is exactly like an electrical spark or mis wiring noise.
I even turned boost to 0.7 bar and in all weather conditions, i still have it.
I always run 95 octan and i did replace the fuel pressure regulator because it was leaking,, i thought it would be the reason for the noise too but still.
I don have a/f gauge and i dont know what to do.. My FPR replaced is adjustable sytec model and i did set it at 3 bar and tried 2.75,, again still.
Any idea or useful input will be highly appreciated.
I have tried searching over the internet and different forums for days but nothing like the problem i am facing.
I cannot tell whether its a knock/ tick noise. Whenever i accelerate and reach high rpm's, specifically 5.5-6 rpm, i hear that noise of a knock/ tick at the driver side exactly where the fuel return line is (maybe above the pedals). The noise is exactly like an electrical spark or mis wiring noise.
I even turned boost to 0.7 bar and in all weather conditions, i still have it.
I always run 95 octan and i did replace the fuel pressure regulator because it was leaking,, i thought it would be the reason for the noise too but still.
I don have a/f gauge and i dont know what to do.. My FPR replaced is adjustable sytec model and i did set it at 3 bar and tried 2.75,, again still.
Any idea or useful input will be highly appreciated.
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