Engine noise

[jmw1439]

Hey guys been trying to figure out a noise I have I guess you could call it a knock it's been going on for about 4 months. It's more noticeable with the engine hot with a load on it at around the 1500 2000 rpm range it's most noticeable. It runs pently smooth and quiet at idle. And runs and drives just fine for the most part I will feel a small vibration at times under a load.iv been leaning towards a bad injector but just not sure. I don't believe it's anything more major then that but it still worries me. If anybody's had a similar problem or some input thanks

 

[NC-smokinlmm]

Have you scaned it?

 

[Awenta]

I don't know what it sounds like


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[jmw1439]

I tired uploading a video but it wouldn't work. these are some balance rates I took a little while back I only one that's out a bit is #1 but still in spec I believe

 

[jmw1439]

Kinda sounds like there's a woodpecker in there at times

 

[six5creed]

Kinda sounds like there's a woodpecker in there at times

FPR? Sounds like what mine does at times, put some 2 stroke oil in it 200:1 and see if it helps. I use the blue jug from Wal-Mart kind. It has "TC-W3" on it.

 

[jmw1439]

Wouldn't a bad fpr throw a code? But I had been thinking that just because sometimes it seems to surge when idleing at times

 

[six5creed]

Wouldn't a bad fpr throw a code? But I had been thinking that just because sometimes it seems to surge when idleing at times

I don't know if it would or not, mine never has. May just be sticking, not bad............yet.