AEM EMS Problem?
10-18-2006, 12:11 PM
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AEM EMS Problem?
I started my car last night and the it was idling at 4500 rpm! I drove it in the morning to school and back and it was fine. My car probably sat in my drive way for about 3 hours before I started it up again. Now if i put it in first and let go of the clutch my car will start moving without me even stepping on the gas.
I checked my throttle cable and it was fine. Then someone said it might be a vacuum line that is damaged, but i couldn't find one that was damaged. The only thing I could think of is that it has to do with my EMS. I got it tuned at Church Automotive about a month ago and it was running perfect until yesterday.
Does anyone have any idea what the problem might be?
I checked my throttle cable and it was fine. Then someone said it might be a vacuum line that is damaged, but i couldn't find one that was damaged. The only thing I could think of is that it has to do with my EMS. I got it tuned at Church Automotive about a month ago and it was running perfect until yesterday.
Does anyone have any idea what the problem might be?
10-18-2006, 02:35 PM
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4500 is high, but mine has idled as high as 2500. Check your coolant level. I don't know if it is related, but mine was really low, I filled it up and the car idled fine.
10-18-2006, 06:32 PM
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I checked my coolant level and it was fine. Then I checked the vacuum lines again and then the PVC valve and they were all good. Still idles at 4000 - 4500 rpm. However, I did notice that my oil was pretty low. What else could it be?
10-19-2006, 12:20 PM
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Best to connect AEMPro and see what's going on. Check that your throttle % is not abnormally high. Chances are, it's either that, or a vacuum leak causing the high idle. The EMS also won't be able to pull down the idle since it's no longer seeing idle criteria (usually under 2000rpm).
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10-19-2006, 12:54 PM
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Originally Posted by Ultimate Racing,Oct 19 2006, 12:20 PM
Best to connect AEMPro and see what's going on. Check that your throttle % is not abnormally high. Chances are, it's either that, or a vacuum leak causing the high idle. The EMS also won't be able to pull down the idle since it's no longer seeing idle criteria (usually under 2000rpm).
10-19-2006, 08:01 PM
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Alright, so I checked the vacuum lines again... everything looked fine. I started my car again and it was idling at 3500 rpm. I cleaned out the throttle body and it started to idle ok, around 1000 rpm. Then I took it around the block and the idle went up to 2250-2500 rpm. I tested the PVC valve and it was fine. So I decided to clean throttle body more but the idle stayed the same. I checked on my AEMPro and it said the "Idle Target" was 2300 rpm. Then once I started my car the "Idle Target" went down to 1100, but I was idling 2250-2500 rpm. 
10-19-2006, 08:10 PM
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Do you have an experienced AEM tuner near you? Maybe you can have them take a look? Or maybe you can email your MAP to Inline or something and they might be able to take a look and fix the issue. GL man!