TwoSocks Posted May 25, 2016 Share Posted May 25, 2016 Hi all Please bare with me I'm not very mechanically minded but would appreciate the help! I have a 1994 NA 5 speed and when I'm at high rpm I can hear a popcorn like popping noise from the engine bay? Drives and idles fine and pulls well. What should I check first? Just had new plugs in it today and it still does it. Quote Link to comment Share on other sites More sharing options...
TBDevelopments Posted May 25, 2016 Share Posted May 25, 2016 That sounds like det to be honest. What mods? Have you checked your base timing Quote Link to comment Share on other sites More sharing options...
Mike2JZ Posted May 25, 2016 Share Posted May 25, 2016 Get someone to check that cam timing has been set correctly, then check with a timing light that ignition timing has been set to 10btdc. On my phone right now but let me know if you need more explanation on the above Quote Link to comment Share on other sites More sharing options...
TwoSocks Posted May 26, 2016 Author Share Posted May 26, 2016 All stock no mods only catback, I'll get it checked today Quote Link to comment Share on other sites More sharing options...
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