Prius (Gen 2) :: P0A93 Code Come Up And Go Off Multiple Times
Apr 7, 2015
So I've had this code come up and go off multiple times its P0A93 which has to do with the inverter Coolant pump, and all the posts I've read about it here, none of them had an intermittent problem with it. Like it will come on and then I let it sit overnight adn it will go off. When I take the cap off the reservoir there is turbulence in the coolant and I've bled it many times. It came on and shut off 2 times on my drive to New York 3 weeks ago but then didn't come on again until today, almost 2500 miles later. And today when the light came on it listed these 4 codes.
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I am about 50 miles from El Paso and 350-400 from home, broken down on hwy right now, all the dash lights lit up and my scan gauge says p0a93 the inverter pump thing. Nothing has been worked on or messed with so i should have no air in the lines etc
Can I drive it like this to El Paso or home? Car seems to be running fine. Car is under toyota warranty so i don't want to screw anything else up.
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I have a 2007 Prius, and bought it used about 4 months ago. I have not had any issues with it until last night. Last night I was driving home and the red triangle with the “ ! “ in the middle and check engine light came on. The car seems to be running fine, but it scared me to see the lights come on...so this morning I called my local Toyota dealership.
NOTE: I recently went to them for an oil change and they informed me that I had three recalls on my vehicle that needed replacing, but I did not get them replaced because I was told it would take 5-6 hrs (which I didn’t have at the time).
Anyway, they told me that it would cost $70 to have the codes read...and that did not include parts that may need replaced... I thought that sounded a little high for just having the codes read so I went to my local Autozone and they gave me this code:
P0A93 - Inverter Cooling System Performance
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I own a 2006 JDM prius with 323,000 km. The inverter coolant pump failed recently (got P0A93 code and no agitation in coolant reservoir). I ordered a replacement on eBay and am awaiting arrival. I may need to do some light driving in the in the interim and am thinking about installing a 10 inch fan in the space between the inverter/transmission and radiator to keep things cool. Is this wise or should I just let the car sit until the new pump gets here?
Also, I am burning oil...I usually have to top up 1 to 2 quarts in between changes. Is there anything I can do without tearing down the engine? A friend of mine suggested using Lucas oil stabilizer the next time I change oil...could this have any negative implications?
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So got this P0A93 code when I was driving on the highway about 65mph, scared to me death when big yellow warning light came on so I returned home and turn the car back on after 30 mins the code and all the warning lights were gone I checked under the hood felt the pump everything was good. I just got done 90k maintance on the car from dealer. So my question is that could be computer error or it could be water pump malfunction? On warranty manual the warranty for inverter with converter covers under 100k so dealer should be able to cover the water pump if it's broken? I driven the car today again at normal temperature and full blast AC on, then again no engine check light on and warning light no message.
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2003 F150 Super Crew 5.4
When I turn off the ignition, the drivers door lock unlocks or pushes the arm through the door for up to 30-60 seconds over and over again. I would say like 10 times and it is annoying as hell.
Is the only part in the door that controls this the actuator or is there something else that can be doing this?
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Several warning lights on dash stayed on (!)/ABS/VSC/traction control, and a message came on the screen saying something about a problem with "P" parking, and that it should be parked level and the parking brake applied. It is sitting level with the parking brake applied already. Also, the door ajar warning light and beep start as soon as you open the car door to get in.
I'm thinking from what I've read that my 12v battery has died/is dying. I'm the original owner, bought car in March 2006, and it has just under 61,000 miles on it.
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I have a 2001 Honda Odyssey that doesn't start sometimes - mostly when it's really cold but not exclusively. It doesn't seem to matter if the gas tank is full or empty. It turns over fine and will catch and the die multiple times. There is sometimes a large "clunk" while it is turning over and all the lights will go off and then it will start turning over again. It can take a minute to 15 minutes to start when it isn't starting but about half the time, it start right up. This is only in the morning, once it's going for the day, it works. 126,000 miles, timing belt changed a couple of years ago.
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Had a hot no start going, found dummy plug issue, replaced dummy plugs. While in there I cleaned the injectors (passenger side only) and put back together. Cranked multiple times, had to recharge batteries a few times as it is in the 10 - 20 degree temp range. No joy on re-start following the work.
Numbers I'm getting are:
KOEO With ICP connected:
ICP - 0
ICV - .07
IPR - 14.8
While cranking
ICP - eventually builds to 400+-
ICV - eventually increases to .13
IPR - maxed at 84.7
ICV too low so...
After disconnecting ICP
KOEO
ICP - 0
ICV - 0 (disconnected)
IPR - 14.8
While cranking
ICP - up to 1693
IPR - to 65.5
Still no start.
Ran through FICM check and the numbers are fine - 48 key on, 47 key during buzz, 47-48 while cranking.
I do get oil pressure registering on the dash gauge.
Fuel is in the filter housing
Oil filter housing refills with oil as expected when cranking
Only code is the P2285 once the ICP is disconnected
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Suddenly it started losing power, especially on hills (even a small hill). The codes I read are (I include code interpretations from internet search):
P0300: Random or multiple misfire.
P0301: Cylinder 1 misfire.
P0304: Cylinder 4 misfire.
P1130: Air fuel sensor
P1150: I have not found a problem definition for this code.
Might these codes be indicative of a particular problem, or is each problem more likely a problem with its own cause?
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My 2007 just came due for an oil change a week ago (Maint Reqd stays on), not that it matters. Yesterday the Red triangle of death, Check Engine, and brake warning lights came on. We drove another 15 minutes (city) without incident. When I turned the car back on the brake warning was off (and has stayed off) but now the Info Display has the red Hybrid System Warning Light also showing, along with Mr. Triangle and Check Engine.
This morning Autozone read out the P0A93 (confirmed) and C1300 (current) codes for me. With the car "Ready", I can see fluid movement in the inverter coolant reservoir (not sure it qualifies as "turbulence") and feel vibration in the line connected to the pump which is humming so quietly. The 12V battery shows 12.5V with the car off and 13.5V with the car on. Does this mean the inverter is still operating? (I read the P0A93 code is supposed to shut it down.)
I did find the ICE coolant reservoir dry and refilled it with SLLC. There looks to be a small leak in the water pump, but I'll deal with that later.
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Gen3 Prius. Once it turned 100k miles I took it in for an inverter coolant change per the maintenance schedule. The dealer charged $109 for this and the car had absolutely no issues prior. Got the coolant changed on 7/23 and then drove it short distances in town for two weeks with no issues. Once I drove it on weekend longer road trip got a check engine light P0A93 "inverter A cooling system performance". Shortly there after started getting hybrid overheat alerts and pulled over to let it cool.
I checked the inverter coolant reservoir and it was still above full. After letting things cool, I turned it back on and listened to the water pump. Seemed to be running fine, heard it clearly with my ear up to a long screw driver, touching the pump. Noticed that the hose leading to the pump was vibrating but the return hose out of the inverted was not. Also no turbulence in the reservoir. My guess is that they didn't bleed air out of the system.
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