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99 E430 200k km 2008 GL550 160k km 2006E320CDI 130k km
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Discussion Starter #1 (Edited)
Monday came back from a weekend trip towing a trailer for 600km everything was fine. This evening the truck check engine is on when starting. It would start but engine is definitely wrong it's shuddering. sounds like a misfire or fuel line issue. Got a ODBII scanner and scanned code P0300/0506/0301/0302/0306/0308. and read text message Misfire/Fule Comp/Catlyst/Evap/Sec Air O2 sensor/O2 Htr

any suggestions? Searched the forum it looks like mine is the first gas engine having these code.

Is there a code lookup table for GL? Thanks.
 

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GL320 CDI - 2008, '04 Touareg V10 TDI, '85 Unimog U1700, '83 Mitsubishi 4WD turbodiesel PU
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525 Posts
snip

Is there a code lookup table for GL? Thanks.
No, unless you have access to the M-B Star computer system. OBDII and other readers have proven anywhere from unreliable to dead wrong reading the MB electronics. A few people have invested in the star computer systems for their own use, but even independent mechanics usually find the investment doesn't pay off for them unless they already have a large client base with various Mercedes vehicles.
Get thee to a dealer for a diagnostic and estimate.
 
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