Lexus GS 2006-11 :: AC Works Intermittently / Started To Blow Just Hot Air
Jul 30, 2012
A couple weeks ago my AC started to blow just hot air. I went to Autozone, picked up a can of AC Pro, emptied the can without overcharging the line, it ran great for 3 days, then it shut off. I thought all the freon leaked out but the next day the AC system came back on. Now it sometimes comes on and off.
I took it to my mechanic. When I first told him the issue, he came back telling me that the AC system was fine. I drove home and as I was about a few miles from my house the AC stopped working. The mechanic said they did see it leaking but to come back a few days once the dye marks the problematic area.
Should I have not used AC Pro? I did not get any error codes when I ran the AC diagnostic. Turning on/off the AC manually does not seem to work. Changing from recirculation to outside air does change much. Revving the engine does not produce cooler air.
I'm not an expert, could there be bubbles in the line causing this behavior? I'm taking my car back in tomorrow morning. I'm hoping the AC stays off so my mechanic can troubleshoot this issue. Sounds like maybe the AC is having a hard time staying on? Bad sensor?
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So even with the AC light signalling ON on my display, the cool AC feel sometimes works well and sometimes will shut off and just blow air. The heater function works fine. I"m almost certain I need to charge in more freon.
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I have a 2006 F-150 S/Crew and I seem to have the same intermittant odometer problem as many of the folks in that 1999-2003 group. The odometer comes and goes, flashes intermittantly and sometimes doesn't work for days.
Can it be repaired in the same fashion as those older units? The dealer is more than willing to sell me a new cluster (obviously). They say that there is "no way to possibly repair those odometer problems and we see them all the time."
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On my 2007 SC 430 I have a passenger headlight that appears to have a mind of its own. It works intermittently. I know that it is programmed to go off when the car is in park, but that is not what I'm talking about. When I start the car after dark both sides will be on but at some point the passenger side will go out, not all the time, but quite often. I have checked for loos wires but have not found any.
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My wife has a 06 Sonata with the Manual AC controls. The blower motor works intermittently. Sometimes it works, other times it does not. It does not matter which setting the HVAC is in. Yesterday while driving it, we went over a bump in the road and the motor started running again. Since the motor runs, I want to discount the fuse and relay.
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The AC on our '04 RX330 has started acting up. Refrigerant level is fine. When the system works it's ice cold. It'll run more often than not, but occasionally the AC compressor just won't kick on. I searched the forum and found issues in other toyotas and lexus models with the magnetic clutch relay but for the life of me I can't find where that is on the RX. I also saw reference to an AC "servo" in another thread. What controls the AC compressor and what to check?
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Since delivery a month ago we have had 2 minor quirks.
keyless locking/unlocking rarely works. Tried using the 2nd key for a day or so but no difference. No light in the remote or indicator in the dash telling me battery is dead...
The rear courtesy lights above the rear seats only work occasionally. All button settings seem to be set correctly to come on when th doors open but they don't . Most of the time you cant even turn them on manually but sometimes they work..
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I just purchased the car a few weeks ago. Horn doesn't work till I press about a dozen times and "get lucky".. Once it hits once I can usually beep about 4 times before losing it. I checked the fuse, looks fine. Haven't found the relay yet.
I suspect it is something in the switching/contacts/ground in the steering column. What I may need to replace in steering column?
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I was driving home on the highway, and my 2006 Elantra did the following things in this exact order:
-Heater started to blow out ice cold air
-Temperature gauge rose, dropped down, and then rose right back up to the red area and stayed
-As I was slowing down to pull over, my tachometer dropped to 0rpm
-My "Check Engine" and "Battery" lights came on
-The car completely died and came to a rolling stop on the shoulder
I am trying to find answers as to what has happened to my car.
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My 2006 F150 was purchased by me in early 2009 with about 28,000 miles on it. It's an XLT crew cab 4X4 with the 5.4. Stock except for a leveling kit and an aftermarket head unit. It currently has about 59,000 miles and has been babied since I purchased it. About 3 years ago I started noting some issues:
A. Oil pressure dummy gauge is all over the place. Some times it will show no oil pressure. Other times it is all the way to the highest mark. Other times the needle has gone 180 degrees past where normal is and is actualy pointing straight down towards the floor.
B. Recently my alternator dummy gauge has started doing the same thing as my oil pressure gauge.
C. The backlight behind my odometer works intermittently, but mostly not at all.
D. My dome light will flicker when first turned on. It doesn't matter which door is opened or if the override switch it turned on. It takes several seconds to come on and will flicker like there is a poor connection somewhere, but stays on once its on.
E. Blower fan will occasionally stop blowing. Once the climate control switch is turned to off, then back to on it resumes working. This doesn't happen often, but does occasionally.
Fortunately, the truck has not left me stranded and I want to keep it that way. We are getting ready to sale my wife's Toyota and this will become her daily driver. I want to take care of any issues before she starts driving it. Are these all separate issues or is there one common issue which could be causing them all?
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The ESC warning light has started coming on intermittently on my 06 GLS. Stays solid, not blinking. Turning the car off and starting again resets it but never for long.
The brake light switch was already replaced once at 36K miles. It's now at about 84,500. Do these things have a history of going bad multiple times?
For what it's worth, my little ELM327 ODB II plug-in gadget shows no faults but it may not be able to see the right data. I'm taking it back to the dealer in the morning, where they probably won't fix it and probably will break something else.
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Which way can I go here for a spare key fob that no longer works? Will I have to buy a brand new one or can I just replace the battery inside?
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I have an issue with my 06 GS430.
This all started this morning when I first started the car. The clock does not display, all of the buttons to the left, right, and bottom DO NOT work (this is NOT good because I cannot control the climate, turn on a/c, heater, NOTHING) navigation touchscreen works (but again navigation push buttons to the right of the screen do not work).
So, the only thing that works is the Radio and the Navigation touch screen! Also, all of the push buttons surrounding the navi screen do not illuminate at night when lights are on.
Things I have done:
-Checked fuses (IG)10A ECU-IG RH, (ACC) 7.5A ACC, (BAT) 7.5A TV, RAD 1,2,3
-Hard Reset - Disconnected Neg. Battery Cable for 20 min.
Is there anything else that I can check for or is my entire Navi Console Unit shot?
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Okay, I have checked the clutch issue and I have read the sticky damper door thread but, non of these seem to fit my problem? The a/c blows cold when it has a mind too but, in a mere few seconds it will blow like you turned the temp control to boil. go a little while then the a/c blows ice cold again. The compressor never misses a beat on the the back and forth.
I am headed out with the family for a 1500 mile trip in two weeks and a/c would keep the masses happy!
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At 60k mi. A/c works fine then next day won't blow cold on usual settings. Then works fine again for months and probably over a year. Now at 72K mi same problem. Is this a switch or something since I am not hearing the a/c clutch engage? Hopefully tomorrow it works as it starts up again after a day or two. What could be going bad or is loose?
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My radio works only intermittently. It may pop on a minute or so after starting the car, it may come on immediately or it may not come on and the digital display does not even light. What is strange is that the clock appears to be keeping time even when nothing appears to be working. It may work for a day or two then not work for a day or two. I have pulled it out of the dash to check connections in the back and they appear to be okay. I find this rather baffling. It is a Ford Ranger with a factory installed radio..
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First it wouldn't turn on, at times now it at times won't work even though the light is on, on the dash. At other times it works as expected. I dun think it's the 12V battery, because when only the center console is on in diagnostics the battery reads 12.2-12.4 and 14.5 + when the engine is on.
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2006 Prius with 58,000 miles. Drive in San Diego and Palm Springs. Earlier this year, the A/C would just cut off, maybe about once a week. The control panel indicated the A/C should be on, but absolutely no function. Drive around for 20 minutes, and all of a sudden, it would come on and work perfectly. It is starting to happen on a daily basis now...sometimes it won't work from start, other times it just cuts out while driving. I can park the car and shut the car off with the A/C working, then come back 30 minutes, and no A/C. It doesn't seem to matter which setting is selected. The control panel accepts all commands, but no function changes when the A/C has shut itself off. Loose connection somewhere? It works about 90% of the time, and blows very cold. When it shuts itself off, no air passes through the vents at all.
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My speedometer stops working when the car warms up. I've taken it to be looked at but it does not "throw any codes" . I've looked at forums and see that this seems to be a common problem. It appears replacing sensors does not work based on the forums. One says a fix is "THERE IS A SHORT WITHIN THE WIRING HARNESS. I had to slice the signal wire at the sensor then through the firewall and spliced in to the signal wire at the instrument cluster. IT WORKS GREAT NOW" which I don't understand. If I tell this to a mechanic would they understand?
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One day off the lot, and my new PriusV touch screen works intermittently. Problem resolves it self when power is cycled in the vehicle. Should we request a new head unit?
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I have a 2002 and i just recently started having a problem with my turn signal. It seems that when its hot outside, my turn signals wont work, left or right signal. could it be the fuse, or would it be within the steering wheel.
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