Passing Emissions problem
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Passing Emissions problem
I have a 97 Del Sol with a d16y7 and a skunk 2 intake, header, exhaust. Its tuned on an obd1 ecu but I threw the obd2 one back in there for emissions. The only problem is it throws an Idle air control valve code, p1508. The code is unclearable just stays on no matter how many times I clear it. I have the d16y8 iacv on there as its the one that fits the manifold. Any way I can get the code to clear just to pass emissions without having to throw the old intake setup back on?
Last edited by worley; Feb 21, 2025 at 10:21 AM.
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From: The South - Roll Tide !!!
Re: Passing Emissions problem
Is there a reason why you typed your question out in INVISIBLE INK ??? If you want help, don't be cute... just use the default BLACK font color. 
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From: Mustard Belt
Re: Passing Emissions problem
I have a 97 Del Sol with a d16y7 and a skunk 2 intake, header, exhaust. Its tuned on an obd1 ecu but I threw the obd2 one back in there for emissions. The only problem is it throws an Idle air control valve code, p1508. The code is unclearable just stays on no matter how many times I clear it. I have the d16y8 iacv on there as its the one that fits the manifold. Any way I can get the code to clear just to pass emissions without having to throw the old intake setup back on?
Y8 auto throttle body will get you the 3-wire IACV the ECU is looking for. this will also require wiring changes to make/correct the connections to the ECU.
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