3400 Idle Woes

JesseGT1

Join Date: Jan 2004

Posts: 5
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#1

3400 Idle Woes

02-07-2004, 01:15 PM

Hi all, My 1999 GAGT 3400 has had a "bobbing" Idle lately, usally when I start it up (cold or Hot doesnt matter) it will "bob" between 500 and 1000 RPM and when I rev it up it usally stopps. I cleaned the IAC valve and reset the computer and that helped for a week or two but its up to its old tricks again. Any suggestions would be greatly appreciated thank you for your time...

99\' GAGT Aritc White, 180-Degree T-Stat, Taylor Spiro-Pro (red) Wires, Flowmaster 80-Series muffler, K&N Drop-In filter,Headlight & Foglight Strobes, 30% Tint up-front 20% out-back.
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JohnyG

Join Date: Oct 2003

Posts: 32
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#2

02-07-2004, 02:04 PM

Check the vaccume hoses.

-John

14.9 @ 93.7MPH

-Bonestock 3.4L
-Bully Stage 2
-2.5\" Exhaust
-WAI
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