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Hello, I have a Gen 2 with ~180k miles that was throwing the P1121 & P1116. I replaced the 3-way coolant control valve with a used OEM part and I...
Hello, new Prius (and car) owner here. My 2008 threw a P1121 code (coolant control valve), but my mechanic could not get the valve to fail and...
These and other issues: * always - Right headlight is very weak * always - I hear a noise coming out of the front screen, sounds like a squeaky...
Yes, my 2007 just turned over 300K miles and I got a P1121 code. I am not low on coolant and my water pump does not appear to be leaking. I...
Prius 2nd gen (2005-2009) ran totally fine, but Smog Check wouldn't pass unless we get these codes P1116 and P1121 cleared. P1116 - Coolant...
Last August I bought a Genuine Toyota Coolant Control Valve 16670-21010. I installed the valve and reset the codes. That lasted for several...
Hi everyone! I recently purchased a 2008 Toyota Prius Standard 2 days ago. Now the check engine light is on. It is throwing 2 codes : P1116 &...
I have a '05 Prius with about 85K miles. Just had the hybrid and 12v batteries replaced (Greenbean). All was fine for a few days then a P1121...
[ATTACH] I picked up a gem of a 2005 Prius. It was driven at 10 miles and hour for 100,00 miles. It came with a brand new Doorman replacement...
2006 Prius, ~165,000 miles Almost a year ago I got my coolant replaced. 2 weeks ago I noticed the engine coolant reservoir cap was off, and the...
Hi all! I just bought a 2005 Prius a few months ago for pretty cheap, and knowing it had some issues. It's had the P1121 since I bought it, but...
I took my 2009 Prius (297k) in for a clunking sound, and they repaired the "dog bone" (torque) motor mount. While there, they scanned and found a...
Ok, I know zero about cars but a quick study. 2009 Prius, 85k miles. Runs great. No obvious problems except for check engine light. With p1121...
Hi y'all, I have been driving my 2005 Prius around with the check engine light and error code P1121 for about three years, no problem. The...
This is just a public service announcement for any rookies like me. I got the P1121 code and ordered the part to replace my coolant flow valve....
I have a 2009 Prius with 179k miles. I was driving home from work and my Malfunction Indicator Lamp warning light came on. Once I made it home, I...
Been reading the forum for a long time & just now signed up to get some specific advice. Huge thanks to everyone's contributions to this forum!...
Hi there! I'm new to Prius Chat so my apologies if this question has been asked before. I'm in California and my 2008 Prius with 120k miles on...
Hi everyone, I've searched and searched for an answer to this but no luck, so hopefully someone here has experienced this or has some idea of...
The P1121 and P1116 codes have been present, on and off, for a while. I frequently drive from LA to SD. This morning, the triangle of death...
