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1989 Nissan 240SX SE 2.4L Excessive Emissions
Posted to Asian Driveability on 9/13/2001 2 Replies

Thanks in advance for your help.

High CO at idle is connected to ECT system- If ECT connector is wiggled or disconnected, engine RPM drops and smoothes out slightly. Emission levels drop drastically and O2 signal drops from full rich to normal wave.

THIS O...

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  Related Documents & Media  1989 Nissan 240SX SE

 
Message Closed w/Summary

car Vehicle Data

1989 Nissan 240SX SE

VIN JN1HS36P7K
Engine2.4 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI / port injection
EmissionsCa emissions
SymptomsExcessive Emissions
OccursIdle

Trouble Codes

13ECT circuit
Message Closed w/Summary

car Vehicle Data

1989 Nissan 240SX SE

VIN JN1HS36P7K
Engine2.4 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI / port injection
EmissionsCa emissions
SymptomsExcessive Emissions
OccursIdle

Trouble Codes

13ECT circuit