P0170 code and now no start - Mercedes-Benz Forum

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post #1 of 1 (permalink) Old 05-06-2008, 08:11 AM Thread Starter
BenzWorld Junior Member
Date registered: Nov 2006
Vehicle: 1995 C36
Location: Richmond, Virginia USA
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P0170 code and now no start

That dreaded P0170 fuel trim bank 1 code. Has anyone had this problem cause the driver side of the engine to smell strongly of gas, and then refuse to start? Car turns over, but won't start. Still throwing only a P0170. I have heard either MAF or vacuum leak. Have tried to check vacuum lines, but cannot find a leak on any. Heard about fuel pressure regulator, too. Any suggestions on where to check?

Car info - 95 C36, replaced both O2 sensors recently (about 4 weeks before threw code for P0170). Have also replaced fuel filter, wiring harness, EGR, ECU, MAF (not Bosch, so that may be the problem), water pump within last 10 months.
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