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Check engine light comes on

Tiny
SHERRIONK
  • MEMBER
  • 1999 MERCEDES BENZ ML320
  • 159,800 MILES
Gives codes 6100. It might drive good one time next time it will not pick speed or going okay. Suddenly the check engine light comes on, car speed starts dropping like it is not getting gas. I have replaced fuel pump and filter.
Wednesday, September 6th, 2017 AT 8:30 AM

2 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Can you double check the engine codes becasue that number is not showing up.

Here is a guide:

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Please let us know what you find.

Cheers, Ken
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Thursday, September 7th, 2017 AT 10:07 AM
Tiny
STEVE W.
  • MECHANIC
  • 13,573 POSTS
Cannot find anything relating to a code 6100. From the description I would start with a scan with a dealer level tool to determine if this is engine or transmission related. It sounds like the transmission is going into limp mode but only testing it can confirm that.
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Thursday, September 7th, 2017 AT 10:29 AM

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