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thermogod · 05-15-2024, 03:46 PM

s13 with a KA24DE with an IACV from an S14. it's all plugged in, cleaned out, the gasket is new. but adjusting the iACV has 0 effect on idle. and on cold starts, it acts like it has no IACV (rpm doesn't stay high until the engine warms up). wondering why that might be.

when the car is hot and i'm coasting in neutral to a stop, sometimes my idle bounces up and down. this doesn't happen when the car isn't moving. pressing the brake doesn't change anything (idk, maybe the brake booster was pulling vacuum and i had a leak somewhere else). car idles normally in all other situations. also wondering what might be happening here

MAF connection is good, intake manifold is clean of all carbon, PCV valve is hooked up, no ECU codes.

05-15-2024, 03:46 PM	#23960
thermogod Leaky Injector Join Date: Apr 2023 Location: away from anything with a roof Posts: 115 Trader Rating: (0)	s13 with a KA24DE with an IACV from an S14. it's all plugged in, cleaned out, the gasket is new. but adjusting the iACV has 0 effect on idle. and on cold starts, it acts like it has no IACV (rpm doesn't stay high until the engine warms up). wondering why that might be. when the car is hot and i'm coasting in neutral to a stop, sometimes my idle bounces up and down. this doesn't happen when the car isn't moving. pressing the brake doesn't change anything (idk, maybe the brake booster was pulling vacuum and i had a leak somewhere else). car idles normally in all other situations. also wondering what might be happening here MAF connection is good, intake manifold is clean of all carbon, PCV valve is hooked up, no ECU codes. __________________ *yeah, that's a great steak, but it's not Cypher's steak.*