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Hey there,
I need some help with an issue I have been trying to solve for quiet some time now after a head gasket replacement a few years back.
98 honda civic lx- D16Y7 w/t AT 267000 miles. HG replacement @ 190000
The civic would ping under load whether it be going up slight inclines or pushing the throttle ever so slightly to pass someone on the free way. I’ve been searching for vacuum leaks with no avail( used up plenty of cans of carb cleaner). I checked both my mechanical timing and ignition timing(with the service wire jumped as well) countless times and they both checked out perfect. I also adjusted the valves a few times as well. The parts i replace were just maintenance parts (plugs, wires, cap and rotor) the major being a resurfaced head, head gasket, and exhaust/ intake manifold gaskets. I dont want to just throw parts at it until i have a solid diagnosis of whats actually going on. Depending on how i accelerate it would ping after reaching 2500 rpms and stop around 4000 rpms.
It passed smog, it runs great, gets great gas mileage, no check engines lights. It just wont stop pinging no matter what I do haha. Anyways if there is any tips or advice you fellas can give me, that would be great
Chris
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