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The Brake warning light will come on for all brake-related DTCs. The brake pedal feel should not be affected by the parking brake. Something...
And how's your 12V battery?
Here's a section of the schematic. W1 is the heater core pump motor. I'd start at the relay. You'll need the full wiring diagram for that,...
If you don't have a repair manual, search online for instructions. You have to do some minor disassembly (cooling air duct and electrical...
Your OP says the check engine light was on previously--did you get the code read for that? Low engine oil would have given a warning on the MFD...
One more thing to check: There's an air intake resonator under the right front fender. That often gets broken in a minor collisition. I've...
The first thing that comes to mind is the electric water pump for the heater core. It's supposed to circulate hot coolant to the core when the...
It's not unusual for a new 12V battery to increase gas mileage slightly. An old battery takes work from the engine to try to keep it charged.
At first glance probably not. I think the terminals are reversed, for one thing, and the vent hole is not visible.
My first guess would be a problem with the stroke simulator. It's mounted on the firewall right next to the brake pedal, inside the engine...
Sorry I can't help with your communication error, but I will suggest you check the 12V battery in two other modes; 1) system off, 2) IG ON. If...
The PCV valve is easiest changed when you do spark plugs. You have to remove the relay block above the engine. It's not hard, just a pain to do...
Following bisco's train of thought, many shops, including dealers, overfill the crankcase oil. This can lead to all sorts of problems, as you'll...
Looking at the bigger picture, how long has it been since the coolant was changed? Here in the US they recommend every 50,000 miles after the...
With all the history coming apparent on this car, I definitely would not bring it to Colorado this winter. And not because of mountains. I've...
Ditto the resonator. No air actually passes through it, it's a shunt device. But here's one for $15 on eBay.
Incorrect installation consists of reversing two of the hose connections--easy to do and not easily seen. Trained techs make mistakes, too....
One thing I take from that link is that an improperly installed three-way valve can cause that code.
Ditto Patrick's advice. Many have found out that a mistake while jumping the Prius has a comma in the cost of the solution, not a laughing matter.
All the noises you're hearing could be caused by air in the system. 1) The gurgling in your heater core is at the highest point of the coolant...