150000 miles Yaris 2011 poor acceleration and power fluctuations. - Toyota Yaris Forums

komichal · 07-01-2020, 01:35 AM

Personally I would not pay that money just to get a new engine with unclear history, with POTENTIALLY low mileage and without guarantee that it will really fix your problem.

Charlieclangers · 07-17-2020, 02:08 PM

Quote:

Originally Posted by komichal

Personally I would not pay that money just to get a new engine with unclear history, with POTENTIALLY low mileage and without guarantee that it will really fix your problem.

Yep that's what I'm going to be doing it is a great car other than its their gear for anything above 20. 4 5 and 6th are but wishful thinking

kevinj93 · 07-18-2020, 03:53 AM

I don't know if the NR series ECU is similar to the NZ series most of us are familiar with but...

On my 2NZ-FE it is possible to find a low throttle situation where rhe ECU can't decide if the throttle needs to be opened or closed. This is probably the point where the pedal starts to show an off idle position to the ECU. I have a stretch of road near my house where I can easily f err t this to happen. The speed limit is 80 km/h, and with a slight down hill slope on the road. If I drive normally, the car will feel like it is surging, and the tacho will show the engine revs rising and falling. If I turn the cruise control on, it runs smoothly with no surging.

07-18-2020, 03:53 AM	#3
kevinj93 Drives: 2013 NCP130 Join Date: Nov 2015 Location: Sydney, Australia Posts: 386	I don't know if the NR series ECU is similar to the NZ series most of us are familiar with but... On my 2NZ-FE it is possible to find a low throttle situation where rhe ECU can't decide if the throttle needs to be opened or closed. This is probably the point where the pedal starts to show an off idle position to the ECU. I have a stretch of road near my house where I can easily f err t this to happen. The speed limit is 80 km/h, and with a slight down hill slope on the road. If I drive normally, the car will feel like it is surging, and the tacho will show the engine revs rising and falling. If I turn the cruise control on, it runs smoothly with no surging. __________________ Running on standard AU 14" steel wheels (14x5 rims, 175/70R14 tyres). Added reversing camera and touch screen radio, cruise control, 16" rear wiper blade, tow bar and dash cam.

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07-01-2020, 01:35 AM	#1
komichal View User's Garage Drives: Yaris 2007 1.3 2SZFE 64kW Join Date: May 2012 Location: CZ Posts: 339	Personally I would not pay that money just to get a new engine with unclear history, with POTENTIALLY low mileage and without guarantee that it will really fix your problem.