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On a 2005 chev colorado 3.5 engine , code from computer says idle contrl system ? any ideas

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Check the idle air control,it most likely is not working.

Posted on Jul 11, 2010


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My 2005 chevy Colorado. Will start isles really rough but as soon as you try to take off it dies I don't know what's wrong with it engine light came on airbag light the answer light all came on so please...

Normally I would say check the engine computer for trouble codes, but you probably can't drive it to a shop or parts store.
So its going to be tough to troubleshoot it.
Could be low fuel pressure, or ignition problems.

Mar 22, 2015 | 2005 Chevrolet Colorado

1 Answer

Where are the fuse boxes 0n a 205 chev colorado

One should be in the engine compartment on the driver side and the other should be right around your parking break release in the truck.

Feb 19, 2015 | 2005 Chevrolet Colorado

1 Answer

Won't idle and engine light came on

Have you checked the engine computer for trouble codes ?

Feb 05, 2014 | 2005 Chevrolet Colorado

1 Answer

I have a 2005 chevy colorado po442 and po506 codes problem

The code 442 is a small EVAP leak such as a gas cap or vac line to the canister.
Code 506 is saying the computer can not raise idle speed to where it needs to be. Could be a faulty idle air control valve or dirty throttle body.

Jul 13, 2012 | Chevrolet Chevy Cars & Trucks

2 Answers

What would cause my 2005 colorado to idle really low and if i stop at a stop light or make a sharp turn it dies what could be the cause

Hello, if your check engine light is not on & the Colorado does not have a P0506 error code....
Check every connection on the air intake between the MAF sensor and the throttle body for vacuum leaks...Remove and clean the IAC (idle air control) & the MAF (mass air flow sensor)
Do not use brake cleaner on the MAF sensor, you can purchase MAF sensor cleaner at your local parts store....I hope this helps.

Aug 25, 2011 | 2005 Chevrolet Colorado

1 Answer

I'm having problems with my 05' Colorado. The alternator And battery were bad so I replaced them. I changed the fuel filter and plugs. Coils were fine. Once u start it the idle is really bad and shuts off....

Are there any codes in the computer that might lead to a solution? Is there a service engine soon light going on associated with the bad engine idle and shutoff?

Oct 02, 2010 | 2005 Chevrolet Colorado

1 Answer

How to adjust the idling??

ON your vehicle you cannot manually adjust the idle as it has the idle controlled by the ECM. The ECM analyzes data from the systems sensors and determines how much air and fuel the engine needs to run at the desired speed. If the car is idling higher or lower than it normally does then there is a problem with a component of the engine or it's control system or there may be something foreign to the system causing the problem, either way you cannot manually adjust the idle and you are most likely going to have to have a mechanic or someone with mechanical skills and diagnostic tools, read the trouble codes or datastream to narrow the problem down.

Dec 05, 2009 | 2005 Chevrolet Colorado

3 Answers

Check engine light on Chev Colorado

Disconnect both cables from your battery, wait 10 minutes and reconnect.  Hope it helps.

Mar 06, 2009 | 2005 Chevrolet Colorado

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