Front Cat Replaced under TSB EG035-06? - Toyota Yaris Forums

1stToyota · 05-13-2009, 11:56 AM

Quote:

Originally Posted by TheSilkySmooth

So mine is dead and ??? I am F'd? This seemed to happen with the changeover to summer formulation a couple mos ago. We use E10 here and the ECU wasnt happy this year. Whats the backpressure limit for plugged exhaust? 3 psi? is this cat #2 or the pipe between them? Thanx guys!

Did you ever see a catalyst efficiency code?

TheSilkySmooth · 05-14-2009, 01:01 PM

Quote:

Originally Posted by 1stToyota

Did you ever see a catalyst efficiency code?

No MIL and I dont have a scan gauge to check MODE6 for fuel trim or cat eff or ?? I could not duplicate smell on the way to the dealer yesterday. So, I am going to try and run a few tanks of completely different gasoline and see if it was a fuel formulation issue. Trying Tier1 shell 87 with nitrogen in the detergent package.( i guess the new detergent was to address issues with DI engines and valve coking, etc.) I finally found a Shell dealer that didnt take midnight deliveries of "Freddies Stinky Gas" that ruins the whole premise of Tier1 fuel quality.

1stToyota · 05-14-2009, 01:31 PM

Quote:

Originally Posted by TheSilkySmooth

No MIL and I dont have a scan gauge to check MODE6 for fuel trim or cat eff or ?? I could not duplicate smell on the way to the dealer yesterday. So, I am going to try and run a few tanks of completely different gasoline and see if it was a fuel formulation issue. Trying Tier1 shell 87 with nitrogen in the detergent package.( i guess the new detergent was to address issues with DI engines and valve coking, etc.) I finally found a Shell dealer that didnt take midnight deliveries of "Freddies Stinky Gas" that ruins the whole premise of Tier1 fuel quality.

I need to try Shell again. I got a free prepaid Shell card from my Discover card rewards and the Yaris sure felt peppy on their gas.

TheSilkySmooth · 05-15-2009, 03:53 PM

It ended up being the Federated/hastings 413 filter. must have been f-ing with the vvti. Who woulda thunk it would skunk up the works so bad. I had a std NAPA jobber filter around, swaped that in, tosssed in a cup of Beef fat oil ( G.E.T. G-oil Ester green bio oil) and all was back to normal.

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05-15-2009, 03:53 PM	#4
TheSilkySmooth Drives: 08 3DR 5M Bayou Blue; 09 Fos Join Date: Oct 2008 Location: New Hampshire Posts: 622	It ended up being the Federated/hastings 413 filter. must have been f-ing with the vvti. Who woulda thunk it would skunk up the works so bad. I had a std NAPA jobber filter around, swaped that in, tosssed in a cup of Beef fat oil ( G.E.T. G-oil Ester green bio oil) and all was back to normal.