Greetings from Yuma, Arizona. New member with a 2012 base hybrid with 181,000 miles. Right after getting an oil change at Valvoline, car began running like crap and won't stay running. Got trouble codes P3190 and P3191. Tried replacing MAF sensor because it's what Dr. Google said. No luck. I think it's something from oil change but can't imagine what an oil change could do unless they didn't put oil in it. Oil is up to the top dimple on dipstick. Any ideas?
I have video of it on my Youtube but I couldn't upload due to new member restrictions. It's STC315 on youtube and video title is prius issue. Thanks, Sam
Mine turn out to be fuel pump...u might have some oil on your throttle body. First cleaned maf sensor, throttle body, egr pipe and egr cooler. Mine shows same bars for fuel but my fuel pump stop working...no gas reaching the engine Posted via the PriusChat mobile app.
Post some non offensive comments like Scotty kilmer used to say on his product give aways and you’ll be able to post videos. Do it enough and you’ll be a senior member in no tome.
First mistake was going to a quickie oil change place. Though me and the other techs at hyundai made a lot of money replace pistons and/or engine when the didn't tighten the drain plug or left the old oil filter gasket on! You need a code reader, or techstream. You can't trust goog.... You should check the engine compartment, they might have pulled something off it the removed the cover for the head. A hose might be off, or loose.
Your motor has a crazy start up knock in that video. So you probably have some big problems above a maf. I find it some what funny that the car is misfiring and it isn't giving you a code for it. lol Anyways, go ahead and remove the spark plugs and look at them. make sure the gap is correct and if they are too carbon clogged or worn for the spark to jump the gap replace them. Post a picture, make sure one isn't cleaner than the others etc... next i would just pop off the fuel tank lid and just make sure you aren't that 0.1% that got bad gas before a gas station finally replaced their tanks. If you see water or trash anything separate down at the bottom around the fuel pump from the actual gasoline in the tank. After that test for a head gasket failure. Do the leak down test and get the coolant sniffer kit and see if the car fails. *Also, definitely pop the throttle body open and check for fluid in the intake manifold.
