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This girl needs HELP! 5th Gen auto problem

 
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Old 11-30-2012, 04:49 PM
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Icon8 This girl needs HELP! 5th Gen auto problem

My guy friends and I are stumped! I have some questions about my H22 swap that I just did. New motor turned right over and ran fine for the first hour it was in. Ran thru all the gears and took it up to about 40mph and all was great! Then the next day it started acting up. So heres my problems....

1. fluctuating idle (between 2000 and 4000rpms) and speedometer is fluctuating as well. I cleaned out the IACV and that didnt work. It calms down to 1500 to 3000rpms after it warms up a bit but sometimes once I put it in gear it stalls out

2. On the dash...when its cranking the D4 light comes on and then turns off once its started. Also the park and 1st gear are not lighting when the car is running or when key is turned on accessory.
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Old 11-30-2012, 05:48 PM
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Re: This girl needs HELP! 5th Gen auto problem

Fluctuating idle when cold = FITV outta spec.

Bouncing speedo usually means the gauge cluster is bad. That would also explain the other problems with the gauge/lights as well.
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Old 12-01-2012, 02:16 AM
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Re: This girl needs HELP! 5th Gen auto problem

Turbo took care of my idle problems. Nice and steady now :) lol

Still sounds like IACV to me though. You can try to adjust the idle screw to see if that steadies it out too
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Old 12-01-2012, 12:05 PM
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Re: This girl needs HELP! 5th Gen auto problem

Ive had an idle problem and replaced stuff but came to realize I just need a tune, not sure if its the same for you. It may also be ur tps?
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Old 12-01-2012, 01:20 PM
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Re: This girl needs HELP! 5th Gen auto problem

I had problems with an idle surge that was caused by a leak in the intake manifold gasket. just throwing that out there as a possible culprit.
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