adsdsasdasdasda Posted July 12, 2021 Share Posted July 12, 2021 (edited) So I've been riding my 1981 280zx around and for the most part, it's good. but there is an issue at weird and spontaneous times. I hear crackling going off when I drive. The best way I can explain it is it sounds like small sparks of electricity/leaves crumbling. I thought it was just debris at first but then I noticed it happens at times when I rev my engine. the engine does not overheat, it stays between 120 and the midpoint (190). Nothing is leaking from the car, I had UV in the coolant and there are no leaks. I check my coolant levels and they seem to be consistent. any idea what this could be? Edited July 12, 2021 by adsdsasdasdasda Quote Link to comment Share on other sites More sharing options...
Mayolives Posted July 14, 2021 Share Posted July 14, 2021 (edited) How bout a wild guess? Years ago my Jeep Cherokee had a noise not unlike the one you describe. Turned out to be leaves in my hvac duct under the dash. Edited July 14, 2021 by Mayolives typo Quote Link to comment Share on other sites More sharing options...
adsdsasdasdasda Posted July 15, 2021 Author Share Posted July 15, 2021 6 hours ago, Mayolives said: How bout a wild guess? Years ago my Jeep Cherokee had a noise not unlike the one you describe. Turned out to be leaves in my hvac duct under the dash. I think i have a small exhaust leak, but ty Quote Link to comment Share on other sites More sharing options...
ap4che747 Posted December 13, 2021 Share Posted December 13, 2021 I had the same issue and after a few weeks I realized it was pinging 😐 i had never heard it before in a car, but after retarding my timing a bit it hasn’t come back and my top-end power is back as well Quote Link to comment Share on other sites More sharing options...
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