93 Del Sol B20Z2 Swap throwing CEL

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NIKE H34D

New Member
Well i have CEL 41 Primary oxygen sensor heater

and i not really sure where this is on my engine.... and is it whats causing my car to idle low... and even stall sometimes?

I searched and found this... and also in the manual i found this but i still lost...

Engine is b20z, with b18 ecu

If the crack in your exhaust manifold permits outside air to mix with the exhaust gas, then even a good O2 sensor will not send the correct signal to the ECU.

By the way, code P0135 actually indicates a problem with the heater component of the O2 sensor or the circuit for the heater:



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