2000 Other Mercedes Benz Models ENGINE LGHT /ERROR CODES

MANUP11

MEMBER
2000 MERCEDES BENZ
6 CYL
2WD
AUTOMATIC
79,000 MILES

I TOOK MY CAR E320 TO GET EMMISSION TEST FOR INSPECTION AND ERROR CODE WERE REVELED DTC P0173, P0170, P0455 NEED TO KNOW HOW TO FIX THESE ISSUES AND WHAT THEY ARE

Monday, November 3rd, 2008 AT 5:18 PM

1 Reply

GFIMOTORCARS

MECHANIC
673 POSTS

P0170 and P0173 are in reference to the mixture value of both banks of your motor being out of range for the ME SFI control unit

Basically your engine is runniing above the limits for your fuel injection control unit.

P0455 is in reference to your purge system leaking badly

This can often times be caused by simply leaving your gas cap off. Unless this code returns after you erase it I wouldn't worry too much about this.

The fuirst set codes however will need to be diagnosed as these can be caused by numerous faults. This can range from faulty MAFS to fuel pressure regulators and most everything in between.