I don't think you get "pinging" (caused by early detonation of fuel) very
much at idle. My first guess on the high idle is a vacumme leak. For the
noise, check out your home brew intake. Sometimes they rattle against a
coolant or AC pipe. I think my intense is doing that right now.
Jay W
Punch wrote:
> hmm, wondering what causes pinging?
> what causes knocking?
>
> what is the difference between the two, and what exactly do they sound
> like????
>
> my truck makes some strange noises while idling, coming from engine
> compartment! sounds like stuff clicking on and off, also rpm gauge goes
> 1000-1200, would this be considered rough idle, and is it set too high?
>
> Punch
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 1998 Dakota CC V6, Deep Amethyst, K&N Homebrew Intake,
> Gutter Guard Grills, Dynomax Cat Back Exhaust,
> Autolite 3923's.
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> *In the near future: jet stage 2, billet TB, 180Dg. Thermo, energy
> suspension bushings,
> hotchkis sway bars.
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