Mine does the same. And I keep getting in accurate readings from the high side. As soon as I hook up the gauge it reads low r-134a, but when I open the valve allowing the the new 134-a in, the gauge jumps to red zone. Then when I close the valve the gauge wont change. Help!!
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Re: a/c light flashing 2007 eclipse
If it was me i would look under hood and see how many pounds it cause for and go from there try these websites to see if you can find so information car A/C repair www.directgardening.com and the other one is fix & troubleshoot heating & A/C www.automedia.com also checkout this website www.alldatadiy.com
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Oil light flashing is a sign of low oil pressure. Either you have an oil sending unit reading incorrectly, or you have an actual oil pressure issue. You need to get a mechanical gauge hooked to the engine and get an accurate reading. If you have good pressure with the mechanical gauge then all you need is a new sending unit. If you have low oil pressure with the gauge...the good new would be that you sending unit is fine. The bad news would be that your engine needs opened up, at the very least the pan needs to come off to see if the sump tube is blocked and not allowing oil to feed the pump. But could be as bad as worn bearings and the need for an overhaul or replacement engine.
The easiest solution is to take the vehicle to an auto parts chain store where they will hook up a scanner and read the trouble codes. They will then look up the code and tell you what part is causing the light to be on. They do this for free in hopes to sell you the part required to solve the problem.
If you are getting a high reading then you have a problem with the system. Only other thing is make sure you have the valve turned off, The gauge and R-134 connected and then slowly turn the gauge handle. Sometime these will give you a high reading if it wasn't hooked up correct. The system was modified so the gauge will fit on the low pressure side. Good Luck.
Tell Kwik-Kar that they are full of ****. The Sienna A/C is virtually bulletproof, and I have NEVER had to "replace" a system. That being said, I would guess that the freon charge is low. Open the hood, turn on the A/C and look at the sight-glass next to the radiator. Do you see any bubbles? If so, the freon charge is low. Get a qualified A/C tech to hook up same A/C gauges & read the high & low sides of the system, that result will give you the avenue to persue.
It's going to be hard to pinpoint that - with age and time, the wastegate and related parts can start to wear out, so that may need to be repositioned to keep the proper boost level. I know your car comes with a boost gauge, but do you have an aftermarket one? They're much better - the OEM boost gauge is not accurate enough to do much other than tell you whether you're in boost or vacuum. With an aftermarket gauge, you'll know what pressure you're actually making. With that, you can tweak the nut so that the wastegate opens at the proper point. Or you could get an electronic boost controller (used GReddy PRofec II units are available on eBay for less than $150) and really give yourself accurate boost control.
Any where from a quarter to half way is fine. After this the oil presser is getting to high. be sure you run 10-30 in the winter and do a oil change in spring time to 10-40 . oil will thin in hot temp. thus using a thicker oil like 10-40 in the summer will help keep oil presser down .