Quote:
Originally Posted by Duke2.6
You need to provide more information. Scan and post the ASM test report. Was it certified to CA or 49-state emissions. That should be on the emission label under the hood and maybe on the test report.
Does the car show any evidence that it has been modified? Does the catalyst appear to be OE or an aftermarket replacement? Same for the O2 sensor.
Has the check engine light ever illumiated? Did you read out the codes? What were they?
In the meantime, search for threads stated by me on emissions. I've done a lot of analysis on my 190E 2.6 and did emission related research early in my engineering career. Also search for "duty cycle" threads.
The fuel mixture is very rich... like it's running at WOT enrichment all the time... could be something as simple as the throttle position switch stuck at the WOT position.
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Here is a
link to the test results that I uploaded. That is all the imformation that I have. It was tested to be CA legal.
The car has been modified but not just for modifications sake. This car has melted and plugged the first stage of the Catalytic system twice now due to over fueling. So the car has an aftermarket Magnaflow first stage catalytic system. Those issues were remedied by my mechanic but I do not have the repair bill accessible to me at this time. I will work to get those and see what was changed/repaired.
This car doesn't have a Check Engine light, where that light would be it says "O2 Sensor" and that light has never illuminated.
Ill look through the threads you recommend.
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Current
2006 E320 CDI, 57K bought at 67K "Liesl"
1986 190E 2.3-16, 198K bought at 56K
"Brigitta"
1987 300TD (Chuggin Along), 292K "Friedrich"
1995 E320 Wagon, 200K "Louisa"
Past
1987 300SDL, (sold) 125K, bought for 1$ "Kurt"