Power FC idle problem after removing ACV, etc.
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73 13B 4 port
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idle problem after removing ACV, etc.
I have done the airpump removal, ACV delete under the UIM etc etc, and I have my PFC 02 setting off. The car runs good, however, whenever I start my car stone cold, I have to crank the car about 2-3 times before it will idle, and once it idles, I have to hold the rpm to about 2500 to prevent it from stalling for about 10-15s. This is all fine by me, but I am wondering if this is the only remedy to this problem? I have 1600cc secondary and a FPR, FP is about 40 psi. I wonder if the PFC air/water temp correction and cranking injector value has anything to do with my problem, advise needed.
Thanks
Marco
Thanks
Marco
#2
development
yes you'll need to tune it a little...the ACV plumbs air in the the LIM at certain times. You are most likey running too rich at those times, especially when cold.
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Eye In The Sky
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I suggest you read page 31 of the manual on WATER TEMPERATURE CORRECTION.
My approach to tunning is to always get the idle correct first(totally warmed up), then with a a cold engine adjust the above table so that the adjustment is in the middle of lean and rich for the 50C to 10C levels for low loads. Then add 5% to them to get the high load values.
So go tune for best idle, and temporarily add more fuel to the above table, and get at it.
My approach to tunning is to always get the idle correct first(totally warmed up), then with a a cold engine adjust the above table so that the adjustment is in the middle of lean and rich for the 50C to 10C levels for low loads. Then add 5% to them to get the high load values.
So go tune for best idle, and temporarily add more fuel to the above table, and get at it.
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