Try cleaning the Mass Air Flow Sensor ( located behind the air filter box on the top of the air intake) and the O2 Sensor ( located on the back right of the intake next to firewall) with Mass Air Flow Sensor Cleaner.
The idle air control valve on the Chevy Colorado actually controls the speed of your engine's idle. The valve is sometimes called the idle speed control valve.
If you mean, do they make the Chevy Colorado with a manual transmission, the answer is yes; the standard transmission in a base Colorado is a 5-speed manual.
Reprogram the PCM
if this happens at a certain speed it's probably the alignment of the tires.
Probably your blower motor speed resister is burned out.
The speed governor? The one that only lets you go up to ~97mph?You have to get your computer reprogrammed:http://www.pcmforless.com/
Depends on the engine, transmission, gearing, etc.
108mph for the 3100 engine
between 130-140 ks
The idle speed is NOT adjustable it is computer controled. Is the check engine light on ? if so then you MUST have the engine scanned with an engine scanner to see what is wrong.
An autimatic transmission will have a 4 speed transmission and a manual transmission will have a 5 speed transmission.
An alcoholic with an open container.