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-   -   Check Engine Light - 6 Months Later and Still No Fix (http://www.peachparts.com/shopforum/tech-help/157582-check-engine-light-6-months-later-still-no-fix.html)

Mark M 07-11-2006 01:29 PM

Quote:

Originally Posted by carson356
have you check the lambda duty cycle? i have seen some that have gone to full rich and set his same code. duty cycle is ok if it cycles between 38 and 50%
you need to get a multimeter with a duty cycle option and connect the negative to ground, and positive to pin 3 on the round pin commector on drivers fender. try doing a seark using lambda as your key word, you will find some good info.


Lambda Duty Cycle Test Results:

Cold Start 90 deg
Key On, Engine Off 49.9% 49.9%
Idle 25-30% 20-24%
2,000 rpm 30-35% 32-35%
2,500 rpm 35-40% 35-40%


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