SLK-Class (R170) 1998-2003: SLK 200, SLK 230K, SLK 320

SLK/R170: Chrysler Crossfire Fuel Trim System Issue

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Old 10-26-2015, 10:13 PM
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Chrysler Crossfire
Chrysler Crossfire Fuel Trim System Issue

Good Evening,

I posted the issue in the crossfire forums (l) but, I am still having issue. I am hoping that somebody on this forum can help me figure out this issue. I apologize in advance if this is not to proper location to start this thread.

My check engine light has been on for quite sometime.. Even though the light is on, the car is running better then new it has a ton of power and seems to drive normally.

All parts below where replaced. Some more than one time (by the dealer):
All four oxygen sensors (one was coding - failed - and was replaced a second time)
PCM (first replacement - reprogrammed twice, due to car would shake intermittently stopping at the stop light. Then replaced again due to check engine light)
both catalytic converters
Flow Valve

Other Parts:
pcv valve

Any ideas would be greatly appreciated!

I also, have a Bluedrive reader. I have attached some of the reports and highlighted areas i believe to be issues.
Attached Thumbnails Chrysler Crossfire Fuel Trim System Issue-mode-6.jpg  
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Report 9-13-15.pdf (87.7 KB, 259 views)
Old 10-16-2016, 02:41 PM
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MB SLK 230 year 2000/05 facelift
Hello.

1) Is there OEM or Bosch or other high quality brand O2 sensors?
2) Have you and trouble codes?
3) Have you reset your STFT and LTFT and clear codes and restart car?

/Fredrik
Old 10-21-2016, 12:04 AM
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Chrysler Crossfire
Check Engine Light

Originally Posted by Fredrik Nyström
Hello.

1) Is there OEM or Bosch or other high quality brand O2 sensors?
2) Have you and trouble codes?
3) Have you reset your STFT and LTFT and clear codes and restart car?

/Fredrik

Hi Fredrik,

Thank you for your response. Since the issue occurred under warranty the dealer is the only place that I bring it for repair work. They replaced all 4 O2 sensors with OEMs and I am pretty sure they reset the STFT and LTFT.. They installed a new PCM (twice) and had to reprogram everything. They also replaced both CATS.

Below is the thread on the crossfire fourms I have posted to:
http://www.crossfireforum.org/forum/...ine-light.html

Thank you again for your reply,
Josh

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