New Product Lines- Moroso & Engler Fuel Injection coming Soon- HILBORN Parts in Stock
Product Search

    Secure Checkout

    Can I run an O2 sensor with zoomies?

    Yes it can, but it may require open loop operation of the ECU. At idle, cam overlap sucks fresh air into the exhaust and due to the short length of the pipe this will resulting in a false reading at the O2 sensor. Some tuning by “ear” will be required at idle, but typically as engine RPM increases the ECU closed loop function can be turned back on.