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Soft Cchh Sound In Rear Of Car

tridentt150v

By tridentt150v,
in General Maintenance

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tridentt150v Grand Master

tridentt150v

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I'm driving along the highway 80-120km/h and every say 90 seconds I here a cchh sound, like the fuel tank is vapourising [but my carbon canister is under the bonnet, not in the boot], or my fuel pump is making a weird sound, I can't quite trace it. It wasn't a particularly hot day either.

If I'm in town and moving through traffic etc I don't hear it.

Nismo pump [nengun] approx. 3-4 months old, so wouldn't think it would be the problem,but.........

Sard fpr, is it returning fuel to the tank?

I am not sure if the car is hesitating or not, I can't really feel it, sometimes you think you do, then other times you think its all in your head!

Now I seem to remember someone else having this sound, but what would I search on? cchh?

Any thoughts???

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tridentt150v Grand Master

tridentt150v

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Adam, thanks for trying...........

I thought of the air con, but pretty sure the sound is in the boot, I'll take my pump out on the weekend and see if it is OK, but its an almost new Nismo, and the Sard is also new but I've never had one fitted before and was wondering if they have this effect?

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