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Old 08-19-2014
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I am: carlos gonzalez
Join Date: Aug 2014
Location: hialeah, florida
Vehicle: 1999 ranger ranger
Drive Type: 2x2
Engine: 3.0
Posts: 5
Total Props: 0
Icon6 1999 Ford Ranger A/C Issues

Hi Ford Ranger Family,

I need some serious advise. I live in Miami, Florida. SUPER HOT & HUMMID! My A/C gave out yesterday!!!
I am a weekend mechanic and have some mechanical and electronically knowledge of repairing vehicles that I have picked up throughout the years. But this has me super puzzled. In the morning my A/C was working just fine. I disconnected my battery, changed my oil, swapped out the temperature gauge sensor on the manifold with a new one & reconnected my battery back up. Jumped in the truck, started it up to check if the temperature gauge would work now that a new sensor was installed (reason for new sensor, truck always read cold, never made it past first line). And being temperatures outside are in the high 90's this time of year, cranked on my A/C on high and only got hot air.

Okay, so if I leave A/C turned on high, turn off the vehicle and turn it back on, the compressor turns on for like 2 to 4 seconds and disengages. If I jump the compressor with power straight to the battery it engages and I have cold air. I thought it could be the low pressure sensor because I jumped the plug once and the compressor came on. So I changed it out. Nothing! So I tried to jump it again on the low pressure switch and now it has no power. I have checked all the fuses under hood and in cabin, all good. I even disconnected my battery again for 20 minutes and reconnected it thinking it might be the computer needed resetting, nothing. I bought a can of 134 and connected the hose with gauge that came with it to the low end and it read over 100. I don't know if the gauge was wrong or what. Any ideas would seriously help.

Does anyone know if it can be one of the resistors in the fuse box under the hood? And if so, how would I check them? There is two sizes. The bigger one reads, FOAB 14B192-AA 8240-2 20 2R and the smaller one reads F576-14B192-AA.

Oh yeah, one more thing, now my check engine light is one and it wont shut off.

Thanks for reading and any suggestions or info you can advise, thank you.

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