Broke My Car :( - Chevy Cobalt Forum / Cobalt Reviews / Cobalt SS / Cobalt Parts
Problems and Service Talk about any mechanical problems you are having

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post #1 of 37 (permalink) Old 04-16-2014, 05:24 PM Thread Starter
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Thumbs down Broke My Car :(

Hey guys, so i broke my car (2010 2.2L LT Turbo) :( i was out doing a datalog for Trifecta when the series of unfortunate events began. I got on it pretty good, got into boost and at around 3700rpms i just lost all power and it ran super rough, same at idle. When i drive it it goes well into 3500rpms before shifting. also when its in gear its almost always getting into boost. I got four CEL's:
P0011
P0014
P0016
P0300
All of them seem to do with camshaft timing and a random misfire, id really like to know if somethings actually broke (i.e timing chain or camshaft) or if its just the timings off. Thanks guys. And of course when i got home i found out my kitchen sink is leaking...wtf

['10 LT 2.2, 15% Tint, Blue LED Dome and Trunk lights, Kenwood 252U, 2 12" Kicker Comps,Delinte D7 Thunder tires, 18in NR10's, Eibach Sportlines, Fe5 Shocks and Struts, Moog Endlinks, ZZP Catback, ZZP Stage 3 Turbo Kit, 8000K HID Halo's,Painted Emblems, Blacked out tailights]

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Last edited by cobaltftw; 04-16-2014 at 05:31 PM. Reason: updated info
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post #2 of 37 (permalink) Old 04-16-2014, 06:30 PM
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Looks like one of your cam actuators didn't follow it's control voltage. P0300 is a multiple missfire which is understandable if your cam stuck at one spot

---------- Post added at 10:28 PM ---------- Previous post was at 10:26 PM ----------

A cam actuator is about $35 and is changed in about the same time as a spark plug.

---------- Post added at 10:30 PM ---------- Previous post was at 10:28 PM ----------

Camshaft Position Actuator Solenoid Valve Replacement
Removal Procedure

1.Remove the intake manifold cover.
2.Disconnect the intake (3) or exhaust (2) camshaft position actuator solenoid valve electrical connector, as required.
3.Remove the exhaust (1) camshaft position (CMP) actuator solenoid valve bolt and valve, as required.
4.Remove the intake (2) CMP actuator solenoid valve bolt and valve, as required.
5.Inspect the solenoid valve O-ring seals from damage, replace as necessary.
Installation Procedure
6.Lubricate the solenoid valve O-ring seals with clean engine oil.
7.Install the intake (2) CMP actuator solenoid valve and bolt, as required and tighten the bolt to 10 Nm (89 lb in).
8.Install the exhaust (1) CMP actuator solenoid valve and bolt, as required and tighten the bolt to 10 Nm (89 lb in).
9.Connect the intake (3) or exhaust (2) camshaft position actuator solenoid valve electrical connector, as required.
10.Install the intake manifold cover.

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post #3 of 37 (permalink) Old 04-16-2014, 09:14 PM
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Coby7 - just an FYI i had replaced both those sensors under warranty in my 09 2.2 LT. And since then ive gotten 30+ mpg in mainly city driving. Could they really affect mpg like that? Dont mean to thread jack, just read it and had to ask. i hope the op gets his sink and car fixed.
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post #4 of 37 (permalink) Old 04-17-2014, 08:11 AM
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Yep, sounds like a cam sensor gave out. Too much timing advance is never a good thing to see, especially on FI. If you were data logging, tell Vince to check the log and see what happened. With the log he should be able to see the voltages for it as well as see how much timing it went over and if anything internally damaging was done.

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post #5 of 37 (permalink) Old 04-17-2014, 01:55 PM Thread Starter
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awesome thank you all for your replies. Ill have to look for the solenoids online so i can buy them tonight. any suggestions for good places to buy them from? so these little solenoids can cause your car to idle so rough, thats amazing to me! again, i greatly appreciate your help Coby7 and Leveecius

['10 LT 2.2, 15% Tint, Blue LED Dome and Trunk lights, Kenwood 252U, 2 12" Kicker Comps,Delinte D7 Thunder tires, 18in NR10's, Eibach Sportlines, Fe5 Shocks and Struts, Moog Endlinks, ZZP Catback, ZZP Stage 3 Turbo Kit, 8000K HID Halo's,Painted Emblems, Blacked out tailights]

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post #6 of 37 (permalink) Old 04-17-2014, 05:26 PM Thread Starter
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before i buy just wanna double check with you guys that know whats up if these are the right ones, thanks:

Genuine GM 2 2L 2 4L Intake Camshaft Position Actuator Solenoid GM 12655420 | eBay

Genuine GM 2 2L 2 4L Exhaust Camshaft Position Actuator Solenoid GM 12655421 | eBay

UPDATE: I just ordered them, should be here next weds. Hopefully i can get them in by the end of Thurs because i gotta be at work friday lol

['10 LT 2.2, 15% Tint, Blue LED Dome and Trunk lights, Kenwood 252U, 2 12" Kicker Comps,Delinte D7 Thunder tires, 18in NR10's, Eibach Sportlines, Fe5 Shocks and Struts, Moog Endlinks, ZZP Catback, ZZP Stage 3 Turbo Kit, 8000K HID Halo's,Painted Emblems, Blacked out tailights]

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Last edited by cobaltftw; 04-17-2014 at 06:11 PM.
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post #7 of 37 (permalink) Old 04-18-2014, 05:15 AM
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Did you try pulling out the intake cam actuator and starting it to see if cam comes back to detent. Plug the hole if you don't want a bit of oil flying all over.

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post #8 of 37 (permalink) Old 04-18-2014, 10:58 AM Thread Starter
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i havent tried that yet, ill have to give that a shot when i get home from work. forgive my lack of knowledge but what do you mean by "detent"?

['10 LT 2.2, 15% Tint, Blue LED Dome and Trunk lights, Kenwood 252U, 2 12" Kicker Comps,Delinte D7 Thunder tires, 18in NR10's, Eibach Sportlines, Fe5 Shocks and Struts, Moog Endlinks, ZZP Catback, ZZP Stage 3 Turbo Kit, 8000K HID Halo's,Painted Emblems, Blacked out tailights]

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post #9 of 37 (permalink) Old 04-18-2014, 12:13 PM
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When there is no command to the cam actuators they return to their detent or home position if you want. When you start your car your cams should be at detent position until ECM goes into closed loop.

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post #10 of 37 (permalink) Old 04-18-2014, 01:16 PM Thread Starter
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gooootcha, so i should take it and try and start it with it out? ill give that a shot when i get off. either way i have new intake and exhaust solenoids on the way. again, thank you

['10 LT 2.2, 15% Tint, Blue LED Dome and Trunk lights, Kenwood 252U, 2 12" Kicker Comps,Delinte D7 Thunder tires, 18in NR10's, Eibach Sportlines, Fe5 Shocks and Struts, Moog Endlinks, ZZP Catback, ZZP Stage 3 Turbo Kit, 8000K HID Halo's,Painted Emblems, Blacked out tailights]

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