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Reply To: Honda City Exi 1997

#1001765
EricTheCarGuy 1
EricTheCarGuy
Keymaster

If the rpm changes when you hook up the vacuum signal, then the regulator is likely fine. I’ve almost never seen issues with Honda fuel psi regulators. As for the issue you’re having, I recommend reading through this to help you find the cause: http://www.ericthecarguy.com/faq/solving-automotive-performance-issues

Please keep us posted and good hunting.

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