Nov 17, 2008 · I pulled the codes P0170 Fuel Trim Malfunction, (Bank 1) which many posts point to the dreaded MAF (Mass Airflow Sensor) sensor failure. Also code PO410 Secondary Air Injection …

Nov 18, 2008 · The check engine light (CEL) recently illuminated on my 2004 C230 Sport Coupe, it has the 1.8 liter Kompressor engine. The official message for the P0170 fault code is Bank 1 Fuel Trim …

Oct 6, 2009 · I found the solution to my long term fuel trim problem. DTC (diagnostic trouble code) P0170. My mass air flow sensor was bad. I had a +30% value in the engine computer. Way too high. …

Nov 11, 2018 · Well it seems my trouble-free quota has been met. Today I got a check engine light + P170 fuel trim bank 1. My crappy little code scanner didn't show anything odd in the freeze frame (it …

Nov 19, 2006 · Check Engine light and code P0170 and P0173 Jump to Latest 107K views 68 replies 29 participants last post by timhfrederick Aug 5, 2011 sstomcat Discussion starter

Aug 27, 2020 · Fixed the error codes P0170 and P0173 for a C300 2008 by (1) Changing or cleaning the MAF sensor and (2) Replace the PCV vent valve which can get worn out and cause oil to escape.

Sep 19, 2006 · I keep getting a P0170 Code on a Check Engine Light/Engine Electronics ... I looked up the code and it says, Fuel Trim Malfunction (Bank 1). I don't

Oct 1, 2010 · With a code p0170 fuel trim bank 1. As i check the car i found the following erros. 1 multiple broken vaccum hoses 2. Dry and broken pcv valve hose 3. Old and dirty air filter and all that …

Sep 30, 2007 · I have had some trouble with CEL for a few months. It flashed over a year ago, P0170 and P0173 came up, and local dealer tech told me I needed both

Jun 5, 2023 · HI all, My car came up with the CE light couple days ago. While driving the car lost power for a while and CE light came on. I got p0170 and p0173 indicating MAF sensor. I cleared the codes …