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My Chevy cobalt 2006 gave me message saying engine power…

Customer Question
Hi my Chevy cobalt...

Hi my Chevy cobalt 2006 gave me message saying engine power reduced . gas pedal dont give enough gas, will turn off when i drive it , no shifting

Mechanic's Assistant: Has the vehicle turned into a gas hog? And how does it start -- same as usual?

Its happens in the cold weather

Mechanic's Assistant: Are you fixing your Cobalt yourself? What have you tried so far?

I changed the throttle body, and the bcm

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

Battery will die when i try to turn on the car sometimes

Submitted: 1 month ago.Category: Chevy
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Answered in 1 minute by:
3/16/2018
Chevy Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 1 month ago
Chad Farhat
Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems
Category: Chevy
Satisfied Customers: 5,219
Experience: Owner at Carolina Auto Service & Sales , 20 years Experience in Foreign & Domestic vehicles A6 - Electrical / Electronic systems A7 Heating / Air Conditioning systems
Verified

Hi, I'm Chad. Welcome to JustAnswer. I'm reviewing your question and I will be posting your reply ASAP.

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Customer reply replied 1 month ago
ok
Chevy Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 1 month ago

Hey how are you ,I will Try to Help you with This Issue
In some cases, I may need more info to assist better.I apologize for any delay.
I am here Sunday through Friday from around 5 am to 9 pm Eastern time.Zone If you respond and I do not respond back right away I will do so as soon as I can.
If you see a call request on your screen ,That is an automated feature the web site offers all customers.

1- did you have it scanned before replacing tb body and bcm ? what were fault # code

2- what is the mileage on it ?

3- the not shifting is because it is not rev correctly and transmission will not knoe fix point

Are you looking for the most possible causes or you are repairing it yourself .

Please Let Me Know

Thank You

Chad Farhat

ASE Certified Technician

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Customer reply replied 1 month ago
i scanned it and says its a body throttle sensor and i changed it too
it has 130 mi
im repairing my self
Chevy Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 1 month ago

what was the fault number # ?

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Chevy Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 1 month ago

you replaced it , but is it working , is getting power to it , the ecm receives tps signal :The TP sensors provide the engine control module (ECM) with a signal voltage proportional to throttle plate movement, is the ecm working

who scanned it and what scanner was used , like local parts stor basic code reader ?

2006 Chevrolet Cobalt

L4-2.2L VIN F

Components

  • Vehicle
  • Powertrain Management
  • Fuel Delivery and Air Induction
  • Throttle Body
  • Description and Operation
  • Components

Components

THROTTLE BODY ASSEMBLY

The throttle assembly contains the following components:
- The throttle blade
- The throttle actuator motor
- The throttle position (TP) sensor 1 and 2

The throttle body functions similar to a conventional throttle body with the following exceptions:
- An electric motor opens and closes the throttle valve.
- The throttle blade is spring loaded in both directions and the default position is slightly open.
- There are 2 individual TP sensors within the throttle body assembly.

The TP sensors are used to determine the throttle plate angle. The TP sensors provide the engine control module (ECM) with a signal voltage proportional to throttle plate movement. The TP sensor 1 signal voltage at closed throttle is near the 5-volt reference and decreases as the throttle plate is opened. The TP sensor 2 signal voltage at closed throttle is near the low reference and increases as the throttle plate is opened.

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Chevy Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 1 month ago

hey can u view files

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Customer reply replied 1 month ago
i dont have any code now , i forgot what it was .
Customer reply replied 1 month ago
i have to jump the car many times , because it dies
Customer reply replied 1 month ago
no efficiency on gas , and i keep smell fuel when the engine start
Chevy Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 1 month ago

ok, battery draining , could be ,weak battery, loose ,corroded cables or alternator not charging ?

so we need to check that first if u have not already

if the electrical not working correctly ,and battery drain ,it will throw the car in limp mode or reduced power

if that is good then we have to check on if a module drain the battery and parasitic battery drain test needs done

why was bcm replaced ? and was it used ?

sound u been throwing parts at it ,

the smell of fuel is cause the af ratio is not correct ?

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Customer reply replied 1 month ago
i replace it because the mechanic told me : i changed your throttle body but the problem still so you need a computer .
so i ordered one and the problem still . no efficiency when i press on gas,have wierd sound from the exhaust,and the car keep shaking and cutting
Customer reply replied 1 month ago
all that happend when the weather was extremely cold
Chevy Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 1 month ago

To be honest with you You will need a Capable Factory scanner or equivalent to Read the Fault codes in the Modules needed here ,that is done by hooking up the scanner to your vehicle DLC data port connector and based on these faults we can pull up a Pin Point Troubleshoot and be Accurate ,If you do get the Faults Read ,Please post them back here for me and I can Help You Further on it and send you the pin point troubleshoot to perform or the most possible causes for it .so we are not throwing parts at it

Please Let Me Know

Thank You

Chad Farhat

ASE Certified Technician

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Chevy Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 1 month ago

If more help is needed, Please use the reply Tab to continue our conversation.

, kindly rate my service, your 5-star rating is appreciated ( should be a link to click here or above).

You can Rate at Any Time and we Can Continue to work on your question as This Will Not Close out your Question.

I work on delivering the best answer and help but in some cases,

It can be difficult to do without seeing the vehicle.

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Chad Farhat
Chad Farhat
Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems
Category: Chevy
Satisfied Customers: 5,219
5,219 Satisfied Customers
Experience: Owner at Carolina Auto Service & Sales , 20 years Experience in Foreign & Domestic vehicles A6 - Electrical / Electronic systems A7 Heating / Air Conditioning systems

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