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Discussion Starter · #1 ·
I have never heard of this before. I just bought this truck and the guy told me that he had just had the A/C recharged because it caused the check engine light to come on. the ports on the system are cleaned up so I believe him. however the A/C didn't work and shortly after I bought it the light came back on indicating to me that the system has a leak. also, I couldn't hear any change in engine load at idle when I flipped the I don't have a code reader but I am considering getting one now.

Here are my questions:
1) how do you diagnose a leak in the A/C system?
2) where is the most likely/common spot for the leak to be?
3) tell me about code readers, what's the best brand, type to buy? what's the cheapest (recession).

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