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del Sol si '94
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2,539 Posts
Discussion Starter #1
Anyone had trouble while using chipped ecu? Obd1 Civic Ex, chipped p28.

Seems to have power everywhere, pressure switch, and relay. Swapped relay with cond. fan relay, all good. Can jump the compressor clutch wire and manually turn on the compressor. I made sure freon pressure was ok, 35-40 low side, ~200 high side.

Only other variable I know of is the ecu.
 

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Registered
del Sol si '94
Joined
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2,539 Posts
Discussion Starter #2
Swapped in a different chipped ecu. AC kicked right on. Need to adj*st the IACV duty some.
 
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