 A\C Issues running on idle. |
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 Jul 3, 2013 - 9:24 AM
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 Enthusiast  Joined Feb 18, '09 From Costa Rica Currently Offline Reputation: 4 (100%)  |
I have some issues with the A/C since the rebuild the engine runs fine but I notice that when I start the A/C the revs of the car decrease instead of going up on idle. turn the A/C off and the revs return to normal. everything works fine and the A/C cools up.
don't know what could be wrong a relay or something ? -------------------- 1994 ST Celica --> no swap --> 7A rebuild
1974 Mustang --> Almost Restored |
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Jul 3, 2013 - 11:03 AM
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Enthusiast Joined Nov 21, '07 From Virginia Beach, VA Currently Offline Reputation: 0 (0%) |
QUOTE (yagamius @ Jul 3, 2013 - 9:24 AM)  I have some issues with the A/C since the rebuild the engine runs fine but I notice that when I start the A/C the revs of the car decrease instead of going up on idle. turn the A/C off and the revs return to normal. everything works fine and the A/C cools up. don't know what could be wrong a relay or something ? There should be a relay that increases the RPM at idle when the A/C is on. |
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Jul 3, 2013 - 12:55 PM
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Enthusiast Joined Sep 6, '12 From Holland Currently Offline Reputation: 1 (100%) |
Or maybe the idle speed control valve? You can try to clean it, maybe it's a bit or completely stuck.
This post has been edited by onnaj: Jul 3, 2013 - 12:55 PM -------------------- |
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Jul 3, 2013 - 12:56 PM
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 Enthusiast Joined Aug 31, '02 From Philadelphia, PA Currently Offline Reputation: 8 (100%) |
Its not a relay.
There is an ac idle up valve for that. Check to see if yours is connected. -------------------- 15PSI - 30MPG - Megasquirt Tuned
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Jul 3, 2013 - 3:22 PM
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 Enthusiast Joined Jan 17, '08 From JB MDL, NJ Currently Offline Reputation: 30 (100%) |
I believe the valve is adjustable? I remember messing with mine a long time ago.
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Jul 4, 2013 - 11:06 AM
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Enthusiast Joined Feb 18, '09 From Costa Rica Currently Offline Reputation: 4 (100%) |
QUOTE (lagos @ Jul 3, 2013 - 11:56 AM) Its not a relay. There is an ac idle up valve for that. Check to see if yours is connected. QUOTE (Spider77 @ Jul 3, 2013 - 2:22 PM) I believe the valve is adjustable? I remember messing with mine a long time ago. where is the valve located I try to find it but no luck Also when the engine is cold revs goes up to warm the engine a bit. this no longer happens. I thing this could be something else o could be part of the issue with the A/C This post has been edited by yagamius: Jul 4, 2013 - 11:10 AM -------------------- 1994 ST Celica --> no swap --> 7A rebuild
1974 Mustang --> Almost Restored |
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Jul 4, 2013 - 11:54 AM
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Enthusiast Joined Jan 17, '08 From JB MDL, NJ Currently Offline Reputation: 30 (100%) |
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