Geo Metro Pinging

Prices 2019 - Geo Metro Pinging, Geo metro 1.0l ping(?) under load?, This video taken with ipod taped to steering column. mic is stretched into the engine compartment. been trying to diagnose the noise that sounds like spark k.. New cylinder head pinging - car forums and automotive chat, Automotive forums car chat > geo > metro > new cylinder head pinging . new cylinder head pinging. sas95. 12-20-2008, 07:54 pm. help! my new cylinder head started pinging badly after driving at 75 mph. the first 200 miles with the new head was on surface streets and at lower speeds, with not pinging. it ran great.. How to detect pinging - car talk community, I was wondering if there are different styles of pinging and associated sound from each. i recently purchased a 1994 geo metro and have been fixing and tuning it up. the mileage is phenomenal. i have never heard the “ting” or “pling” style of ping from my metro but have heard it in other cars and a video illustrating ping in a g10 metro..