SL-Class (R129) 1990-2002: SL 280, SL 300, SL 320, SL 500, SL 600, SL 60 AMG

SL/R129: 99 SL poor idle/stalls, no codes!

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Old 05-13-2017, 09:19 PM
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2003 SL500
99 SL poor idle/stalls, no codes!

59,000 miles, she barely starts, won't hold idle, and dies. No codes being given. Recently, has had starter and battery replaced. Fuel tank cleaned with new filter. Transmission was serviced with fluid and filter. Checked fuel pressure using valve on fuel rail, and is good. Did I mention it is not throwing any codes?! If it was the CPS, wouldn't there be a code?

Also, seems to be parked upside down lol!

Any help appreciated!
Attached Thumbnails 99 SL poor idle/stalls, no codes!-img_2890.jpg  

Last edited by BeachFreak; 05-13-2017 at 09:31 PM.
Old 05-14-2017, 08:57 PM
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Out Of Control!!

 
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1999 E300TD
Yes, wadabout all the electrical stuff--plugs coils and wires!!
Old 05-15-2017, 10:24 AM
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'09 S600, (2) R129 300SLs, '03 SL500, '03 SL55
Originally Posted by BeachFreak
If it was the CPS, wouldn't there be a code?
Surprisingly, the answer is definitely no.

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