20 Most Recent 2007 Chevrolet Cobalt Coupe Questions & Answers

first thing first check all the fusses if thy are good then the buzzer i probably bad

2007 Chevrolet... | Answered on Sep 13, 2019

Under hood fuse block. It should be the same circuit as the Lighter fuse. Look for one labled "LTR FUSE" 15Amp

2007 Chevrolet... | Answered on Sep 07, 2019

dealership has to reset radio code.some times owners manual will help.

2007 Chevrolet... | Answered on Feb 02, 2019

I had this problem with a 2007 Chevy Cobalt. I changed the coolant sensor and even though the check engine light went out I still had a reading of "---" on the coolant gauge. The problem is most likely one of three things: a low coolant level, a bad coolant sensor, or the thermostat needs to be replaced. The only other possible thing it could be is a bad BCM (Body Control Module) which in that case you would most likely be having other weird problems.

The Thermostat and the sensor are both very easy to get to and replace. Take off the engine cover by removing the oil cap and they are both to the rear of the engine on the driver's side. They are right next to each other.

Hope this helps!

2007 Chevrolet... | Answered on Aug 28, 2018

Take it to a qualified repair shop .

2007 Chevrolet... | Answered on Mar 02, 2018

Probably a problem with the electronic throttle control , causing the PCM - engine computer to put the vehicle into a reduced power mode . Having it hooked up to a diagnostic scan tool to check for DTC'S - diagnostic trouble code an view sensor input data to the PCM should be the first step in the diagnostic procedure .

2007 Chevrolet... | Answered on Feb 08, 2018

Were they pro level scan tools or cheap code readers? Cheap code readers can only read generic powertrain "P" codes P000X to P0800. You need a more expensive scan tool that's capable of reading "enhanced" or "manufacturer specific P1000 tp P3000 and B, C and U codes. However, if it says it can't communicate, that's an indication of a shorted module somewhere on the digital data bus

2007 Chevrolet... | Answered on Dec 27, 2017

Your system is very complex and requires troubleshooting by an expert. I would trace the start signal from the switch then out of the bcm to the starter relay. See diagram below. I would also trace power from the park/neutral fuse thru the park/neutral switch.

2007 Chevrolet... | Answered on Jun 13, 2017

Suzann , do yourself a favor an take it to a qualified repair shop . These are good cars an need a professional Tech. to repair .

2007 Chevrolet... | Answered on May 05, 2017

if your temp gauge is going blank several things can cause this. one is a bad wiring connection on the sending unit itself. could be corrosion on the connectors. these types of sending units work like a thermistat they do go bad. but id be looking for a loose ground. since this circuit is grounded to the body you could ground the system by using a set of jumper cables. use one side to ground the battery to the body and the other side to ground the motor to the body and see if it still happens.
a large amount of electrical issues are created by faulty grounds. i usually start by disconnecting the harness from the sending unit and inspecting it,if its not damaged. i would then reground the systems

2007 Chevrolet... | Answered on Dec 21, 2016

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