Mustang :: 1995 - AC Compressor Turns On Then Cuts Off
Dec 14, 2009
I have a 95 stang that I just had refilled with Freon and oil at Ice Cold Air. The compressor turns on then cuts off as if its low on Freon but its not. Last night the ac started blowing cold and was this morning then started back on the compressor turning on then off. I know it has Freon in it and is full. Could it be that the orifice tube is clogged or maybe even the drier? is this something that I could take off and try to clean out?
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My car is a 1995 Buick regal gran sport with only 64,000 miles. It has been cutting of for 2 years now. It usually cuts off when we slow down. The RPM's will suddenly drop to zero. We have taken it to 3 different mechanics over the past 2 years and have put in thousands of dollars to fix it (more that it is worth). We always just throw it in neutral and it start back up and keep driving. We were sick of paying to get it NOT fixed so we decided throwing it in neutral is ok. Well now some days it won't start. It turns over but won't fire. Some days it will start. We took it in and got it "fixed" again, but it is still doing the same thing (some days it starts, some not). It still also has the problem of cutting off while we are driving too.
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My daughter has a 02 stang with the 3.8 . the other day she complained that her ac was not cooling so i put my gauges on it and checked the freon. the compressor was on and the low side showed about 35 and high side was about 225. it was cooling good, now today it was not cooling at all and the compressor was not on so i jumped the pressure switch on the dryer and it came on, pulled the jumper and plugged it back in and compressor came back on and started cooling. I might have a bad pressure switch also about the pressures could the orfice tube be getting stopped up. this car must have had ac problems before with the previous owner because someone has wired the ac clutch 12v+ wire to the outlet side of the pressure switch and the 12v- side to a ground screw.
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I have a 2006 Expedition with 90k miles. I am the original owner. don't drive the vehicle much just mostly when the family goes somewhere or when I'm putting the Jet skis in the lake.
About a year ago the air con went out and since I don't drive it that much I decided to fix it later, well now is later. How to diagnose the AC system. what I am looking for is a methodical step by step procedure for trying to find out what is causing my AC to not work.
the symptoms are, the compressor turns on runs for a few seconds and then turns off. inside the cab I can hear hear a hiss noise during the few seconds that the compressor comes on and fades away slowly when the compressor shuts off.
I bought a can of 134a with the gauge, I adjusted the gauge for the correct ambient temperature hooked up to the low side and was surprised to see that the Freon was only a little low. I topped it off but still no change in the compressor running.
I bought a set of manifold gauges from Harbor Freight (I know I know you get what you pay for) in any case I hooked up the gauges to see what the pressures are when the compressor turns on but only seeing a little change.
Any way I took my Speedy (expedition) to the local auto air conditioner shop the mechanic hooked his gauge set up to the vehicle, watched it for a few minutes, made some phone calls, came back. He did tell me that he was going to have to replace the compressor, condenser, dryer, expansion valves both front and back and flush the rest of the parts that did not get replaced. I suppose this is a good price if all that work really needs to be done???
However I would like to exhaust all of my options before I dump half the vehicles blue book value into the air conditioning. so I've been searching the internet and found that it is possible the problem may reside in a control valve that may be present in the type of scroll compressor that is in the expedition.
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2006 Mustang GT Convertible; air conditioner doesn't always work. When I press the button to turn on the air conditioner, the panel light illuminates but the a/c compressor does not engage. After driving the car for anywhere between 10 and 45 minutes, the compressor clutch will engage and the air conditioner cools normally. When I first noticed this problem over a year ago, I discovered that if I left the air conditioner in the "on" position when I turned off the car, the air conditioner would work the next time I started the car. This hasn't happened lately (so much for that "solution"). The car has been at the local Ford dealer multiple times for this problem and although they have been able to duplicate the problem, they have no solution. The dealer checked the electronics, recharged the system and tested the computer and told me that these were all fine.
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Ok I am at my wits end with this. I have a 2000 Mustang GT 5-speed with 80k miles. When the A/C is on it will occasionally misfire at steady, low (between 1-2k) RPMs and will have a fluctuating idle as well. Occasionally the fluctuating idle is bad enough that it stalls out. It only does this when the compressor is engaged. It sounds like a vacuum leak, but I have checked and cannot find any sort of vacuum leak. Also, it throws a P0300 (Random/Multiple misfire) code. When the A/C is off it runs like a charm. Here is everything that I have done...
Replaced COPs
Replaced spark plugs
Cleaned MAF sensor
Cleaned IAC valve
Replaced fuel filter
Replaced fuel pump (unrelated to this, the old one just died)
Ran seafoam through the motor
New battery (again, unrelated)
and maybe some other stuff I am forgetting
Also, I have taken some readings:
Fuel pressure @ idle ~32psi
Vacuum @ idle ~17in Hg
Had alternator tested - OK
Pressure in A/C system checked out OK (though I did use one of those AZ cans with a gauge on it, not sure how reliable that is)
Also, the A/C works great. It's like an arctic wind in there.
I am at a total loss for what to do. I would suspect it's something with the motor that is simply exacerbated by the added load of the A/C but I suppose it could be the A/C compressor? Is it possible that it needs lube? Doesn't the freon lube the compressor? (The pressure indicates it's fully charged and the A/C blows cold AF) ...
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I've had my car sitting for 3 weeks and went out this morning to start it and it turns over but won't start. It has fuel and the battery seems to be providing enough power to the starter. It ran fine 3 weeks ago and I have not done any repairs recently that would be cause for the problem, I also changed the oil a month ago.
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I have a 95 Ford mustang GT. When it is cold outside (Below 40 ish) it starts for about 1 second, dies abd the second time starts fine. has check engine light for lean exhaust. vacume pressure fine and been using injector cleaner but no improvement. replaced spark plug/ wires pcv valve.
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I have a '68 302 2 barrel carb Mustang and cannot get it to start! I have spark and I have gas getting into the carburetor. It turns but does not start. I'm at a loss and cannot figure out what to do.
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I have a 1995 Ford Mustang GT. I've had it for 4 years now, and the engine rattles mostly when the RPMs are between 1500 and 2000, just after pressing the gas. Sometimes it does it when the RPMs are higher, around 2500, and sometimes it does it regardless of RPM after I've been driving it for a long duration. It's done this since I bought it, so it's not a pressing issue, but I'd still like to get it fixed.
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I have a 1995 ford mustang with a 3.8 v6, and have recently discovered an electrical problem. First I thought it was just the headlight switch. We replaced it, but looking at the old one, we found that it had gotten so hot, it melted all the plastic off the wires, and that this caused the switch to burn out. I replaced the old one with a new one but it still gets super hot. I'm afraid to drive my car at night for the reason that my lights might fail me in the dark.
Another problem, I'm unsure if they are associated, but it did appear around the same time I replaced the headlight switch. When my car is running, it is impossible to shift it from the park. The button on the shifter (its an automatic transmission) refuses to give, and the result is that my car can only be shifted into gear by turning the key to turn on the ignition position while pressing in the button on the shifter, and then starting my car and driving off. Another thing that i'm sure is associated with this problem is that the cruise control will not be turned off by the brake. It will disengage the cruise when braking but re-engages after my foot leaves the brake. These last two problems began at the same time.
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Lexus LS460 2008. My AC compressor cuts off at low speed if i accelerate or turn it off and then on it comes back. It never happens at highway speed only in town could it be relay problem? where is the AC compressor relay located?
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Since it's "auto repair season" in my driveway, I was working on my daughter's car (2001 Accent, 1.6 GSi) and noticed that the air conditioning compressor makes a noise (like a cross between a burble and a shriek) when it cuts out. I'm assuming it's the head unloader and was wondering if it's supposed to make a noise that's quite that loud or if maybe it's getting low on refrigerant - the compressor runs quietly when it's turning and the clutch doesn't make any strange noises.
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I have a 1995 Mustang convertible 3.8. Shakes when its started at an idle and as u push the accelerator, the shaking gets worse, in park, neutral, drive, doesn't matter. I have replaced plugs, wires, coil, torque convertor. I took it to precision auto tune and they said everything checked out computer wise but there is deffinately something wrong. Car shakes so bad its insane.
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I got a 99 jeep sport straight 6. AC works fine after topping off. Pressure 32 l/s 210 h/s could still be a little low but air is very cold. Problem is while drive compressor shuts off. I thought it may have been too low causing it to kick off. while in park & holding rpm's at 2k everything seem to be ok.
It cycled on/off at times as normal but then compressor stopped & didn't come on again. shut the engine off checked the fuses restarted & the air is back running like normal?? so whats going on do I have a bad l/pressure switch or may be a relay sticking??while at 2k rpm's l/side 25 h/side 250 then at idle 32 & 210. I don't think its low enough to cause the shut off but.....
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I have a 95 Silverado 1500 with the 5.7 V8 that cuts out when the pedal is held just above idle. If I am just driving normally as in pulling up to a stop sign and leaving with moderate acceleration it is fine and I don't notice any problems at all. The time I really notice it is when I am backing a trailer up and have to hold the pedal just above idle. It acts like the fuel is just being shut off to all cylinders. When I let off the gas it will sound like it is going to die and then it will come back to idle and idle perfectly. I was told it was probibly the PCV valve and I figured that for a few bucks I didn't have much to loose but that didn't work. I am thinking it has to be a sensor but I may be wrong.
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we have a 1995 chevy astrovan. Some days it runs just fine and then others it cuts out repeatedly when we slow down or brake. It?s been to the mechanic a million times and he can?t find the problem?
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My 1995 Taurus SE check engine comes on shortly after starting, cuts out for two seconds on rapid acceleration, and the check engine lights goes off for ten seconds. I replaced the distributor cap and rotor, the spark plugs, and the air filter. I have tried Techron injector cleaner. It is better but the check engine light is still on and it cuts out as before.
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Have and intermittent condition with my 1996 F-150 4.9. AC runs and then cuts out (compressor not turning). I lose 12v to both side of high side switch. I tried to troubleshoot using a schematic in Haynes Foprd Pickups and Bronco for 92 and later F-Series/Bronco, but the color code for the wiring doesn't match up.
On my truck, there is 2 wires from the low side pressure switch which mates to a socket with only 1 wire. I have 12 volts at switch terminal on dash control, and it seems that I have an broken wire behind the dash, as I can get it to operate again when I move the harness around. Where can I get a schematic of this part of the circuit?
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My 1995 chevy c1500 cuts out at idle or the moment the brakes are applied to shift into drive. I replaced the passenger wheel cylinder and bled the brakes and it ran fine for a few hours, then the idle problem stated again. I have check the map senor and a few other electronic component as my mechanic said the problem " might be electrical."
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my 1995 buick lasbre cuts on fine and drive ok but when i start it as soon as i turn and drive itcuts off but after it cuts right back on and drive ok
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