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Terry Waldron · 03-31-2017, 01:15 PM

Have a 92 chevy truck 454 TBI, idles so high I can drive it 15 to 18 mph without touching the gas. I have checked lines for vacuum leaks, replaced TBI gasket, IAC valve, PCV valve, EGR valve, Coolant Temp sensor. Any ideas. would help.

03-31-2017, 01:15 PM	#1
Terry Waldron Junior Member Join Date: Nov 2005 Location: silvis ill Posts: 40 Likes: 0 Liked 0 Times in 0 Posts	TBI high idle Have a 92 chevy truck 454 TBI, idles so high I can drive it 15 to 18 mph without touching the gas. I have checked lines for vacuum leaks, replaced TBI gasket, IAC valve, PCV valve, EGR valve, Coolant Temp sensor. Any ideas. would help. __________________ Terry Waldron 5619 K/S