× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
1993 Nissan 240SX 2.4L Excessive Emissions, Poor Fuel Economy
Posted to Asian Driveability on 10/12/2010 11 Replies

This 240SX runs rich all the time (0.5% - 1.5%) but it intermittently runs full rich (10%)and when it does, it doesn't matter when, hot, cold, idle or cruise. The fuel pressure is 35psi, and 45psi with vacuum removed from the pressure regulator. At idle, the M...

11 Replies Received (View Replies)

  Related Documents & Media  1993 Nissan 240SX

 
Message Closed w/Summary

car Vehicle Data

1993 Nissan 240SX

VIN JN1MS36P7P
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / MFI
EmissionsOBD1, CALIFORNIA
SymptomsExcessive Emissions, Poor Fuel Economy
OccursCruise, Idle, Intermittently
Message Closed w/Summary

car Vehicle Data

1993 Nissan 240SX

VIN JN1MS36P7P
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / MFI
EmissionsOBD1, CALIFORNIA
SymptomsExcessive Emissions, Poor Fuel Economy
OccursCruise, Idle, Intermittently