YazanTh's Recent Activity

  1. YazanTh replied to the thread 2008 Prius – Low Power on Highway & Uphill, Loud Engine, P1121 Code, Throttle Already Replaced.

    For the 'coolant flow control valve position sensor circuit stuck' code: I was informed this valve is primarily for heating the engine...

    Oct 23, 2025 at 4:33 AM

  2. YazanTh replied to the thread 2008 Prius – Low Power on Highway & Uphill, Loud Engine, P1121 Code, Throttle Already Replaced.

    The car was carrying 3 adults, and I also tried it going by myself and it had the same issue For the battery it was a new original...

    Oct 23, 2025 at 4:18 AM

  3. YazanTh replied to the thread 2008 Prius – Low Power on Highway & Uphill, Loud Engine, P1121 Code, Throttle Already Replaced.

    It has 200,000 km on it

    Oct 23, 2025 at 4:05 AM

  4. YazanTh posted a new thread.

    2008 Prius – Low Power on Highway & Uphill, Loud Engine, P1121 Code, Throttle Already Replaced

    Hi everyone, I’m having an issue with my 2008 Prius. When going uphill or trying to accelerate fast, it feels very weak. The engine gets...

    Forum: Gen 2 Prius Care, Maintenance and Troubleshooting

    Oct 22, 2025 at 2:18 AM
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