Chevrolet Colorado Questions

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My engine light came on yesterday and I can't seem to figure it out. My wife thought it might be a loose gas cap. Someone else told me it could me the O2 sensor.

It does fine when I keep it on 2 or lower and it does it every time I turn it on 3 or higher

full tank new fuel filter new fuel pressure regulator but still staling when I go stop or turn.GM did a injector flush and new plugs. still have problems. light still comes on code is PO171

when cold, the engine acts as if it is starving for gas for about a mile. then it runs fine until it sits over night.

The aux. power re-engages after the key is removed from the ignition. This may happen immediately after removing the key or up to several hours later.

codes were cleared, engine would not turn over until key was cycled and at least 30 seconds past, engine started and ran fine but check engine light came on and stayed

Apparently, someone tried to glue it back together. The AC now pours water out under the dash. The AC still works, but has a terrible odor.

Idles rough, had tb cleaned, keep oil changed every 3000
Acts like it's gonna die when at red light engine light comes on
For a day or so then goes off, uses more gas in summer

No oil leaks. What would you suspect and what order should I check. If it's oil pump how much will it cost?

Do you have diagrams for timing

Ths usually happens on deceleration. If I attempt to start it up right away, nothing happens, but if I let it sit for about 15 minutes, it will restart and run well. There are no bucking, backfiring, shake or shutters at any time. It has happened in all weather conditions and is happening more frequently during the past month. One mechanic said it was the pistons and another said it was the timing chain, but neither did much more listen to my story.

Only when I hit passing gear it one I'm out of passing gear seems to stop.I don't lose acceleration everything seems fine except this really loud high pitch whisle sound

When I'm driving I hear a high pitched noise coming from the front wheels but stops when brakes are applied, what could be causing this and how do I go about fixing it's?

When the locking system does not work the driver side window does not work either

May 06, 2015
Priced a condensor @ PartsGeek and resonable price. However, can installation be completed without machine per charging freeon...?
Your advise and consideration are appreciated.
Thanks again!


PS - Please include directions per best procedure per change.
Thank you again...!

Had throttle body cleaned, changed 2 coils, spk plugs, air filters still same in winter ran good now getting warmer now doing the same, engine light comes on for a while then goes off idk help

problem does not occur often, once a month, I do notice when I start it, it sounds like its not gonna start, but it always dashboard shows no kinda warning signs.

Usually when I have taken off from the lights, I accelerate and the car rev to about 4000rpm though takes really long to gain speed

brake fluid was contaminated with powerstearing fluid, and destroyed all parts containing rubber, including the front flex lines.dose the rear shoe Pistons, pressers switch or other parts contain rubber