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Old 04-22-2021, 02:38 PM   #1
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Brand: Thor Motor Coach
Model: Siesta 24SR
State: Texas
Posts: 25
THOR #23111
MB Sprinter check engine light and code P0402

DW & I picked up a second MH Easter weekend from my mother, a 2016 Thor Siesta 24SR. The check engine light was on while driving it home. Extracted code P0402, EGR Excessive Flow Diagnosis. Searched the net, and found videos showing how to remove, clean EGR with brake cleaner, and re-install it to solve the issue. Well, it worked. I removed the EGR, and it was very sooty. Sprayed it clean with brake cleaner, re-installed the EGR, and was able to clear the fault. It has remained off for the past 160 miles.

EDITED: I should have placed this post in repair section. Moderators, please move this from MODS to Repairs.
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Old 04-22-2021, 03:07 PM   #2
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Brand: Still Looking
Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 20,580
THOR #8860
From a fellow Sprinter jockey: Thanks a million!
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Old 04-22-2021, 03:52 PM   #3
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Brand: Thor Motor Coach
Model: ACE 27.1
State: Florida
Posts: 6,433
THOR #7035
Quote:
Originally Posted by tripntx View Post
EDITED: I should have placed this post in repair section. Moderators, please move this from MODS to Repairs.
Done!

Thanks for the post.
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