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Check engine light problem
Hi there, thanks for writing in. Yes - our team actually offers check engine light inspections which helps to determine what's triggering this light. This indicator is part of the onboard diagnostics (OBD-II) system and in all cases it indicates...
I am burning WAY too much gas for the year and maintenance quality of the car
Hi, thanks for writing in. This may be a sign of a clogged catalytic converter. As you may already know, the catalytic converter converts toxic exhaust gases into less harmful pollutants that are suitable to be expelled into the atmosphere....
My "Service Air Bag" Warning came on, should i worry?
The air bag light is an indicator that somewhere in the air bag system, there is a fault. The system will need to be tested with a compatible scanner that can access the air bag module. You may have problems...
EVAP Vent valve solenoid code p0449
This suggests you may have a bad EVAP control module. A battery voltage is supplied to the evaporative emission (EVAP) canister vent solenoid valve. The control module grounds the EVAP canister vent solenoid valve control circuit to close the valve...
Car went out of gear at a traffic light - 2010 Chevrolet Cobalt
Hello there. Many different faults will cause your 2010 Chevrolet Cobalt to lose forward gears. The most common is low transmission fluid, transmission leak, shift solenoid, torque converter, or shift linkage. A qualified technician, such as one from YourMechanic,...
car will not pass e-check.
N/A usually means the monitor isn't available on your year make and model vehicle. An emissions monitor should pass or fail or show ready and not ready after the drive cycle has been complete. In most cases, all drive cycles...
My check engine light came on and the it was diagnosed as op128 so I got gas screwed on my cap and my light turned off how is this
First, a trouble code P0128 does have to do with coolant, but it is not the level. This code is set when the relationship between the coolant temperature sensor and the intake air temperature sensor don't increase at a predetermined...
A possible misfire but don't know for sure - 2007 Chevrolet Cobalt
Hi and thanks for contacting YourMechanic. This problem seems to be with the transmission and not the engine. When driving the vehicle around all day, the transmission gets all of the fluid to all the clutches inside and operates them...
Check Engine Light is on and I've noticed one minute my gas says a half a tank and the next it's at a quarter
Hello. This is most likely a faulty fuel sending unit. This is a unit that sits in the fuel tank that sends a signal relaying how much fuel is in the tank. These commonly go bad on many cars. If...
After changing the accelerator position sensor, the car will not start.
Hi, thanks for writing in. We get this question quite often. Holding the battery terminals aren't supposed to clear error codes stored in the ECM. The correct procedure for clearing error codes that were stored in your ECM when the...
I am looking to Turbocharge my 2008 Chevy Cobalt with manual transmission.
Hello. It is indeed possible to turbocharge this vehicle. Adding a turbocharger will definitely increase your horsepower. The main thing you need to keep in mind is that this will put added stress on the engine. Due to the mileage...
Can I change the throttle position sensor myself?
Hi. If you are an experienced technician this job is simple and not that difficult. The throttle body will also need to be relearned after it is installed so it will operate properly. The relearn may need to be done...
After replacing the starter, itwon't engage and there is a whining sound.
This suggests that the starter may not be aligned properly. When the key is turned and the starter engages, the small gear on the end of the starter comes out slightly to engage the flywheel to turn the motor over....
The exhaust has a leak. Could that be expensive to fix?
As you know, parts and labor can vary in price tremendously depending on the shop, the skills of the mechanic and many other factors. I would suggest having an expert from YourMechanic come to your location to perform a pre-purchase...
smell gas
It is highly recommended that the vehicle not be driven until the source of the smell is identified. If there is a fuel leak, it could potentially cause a hazardous driving condition. It could be anything from an emissions vapor...
There is a loud noise driver side
Hello there. Many different faults can cause a noise with your 2007 Chevrolet Cobalt. The most common would be the brake rotors and pads, something stuck in the rotor backing place, strut mount, wheel bearings, or a failing tire. You...
Fuel leak
If you are seeing "dripping gasoline" at the back of the car, then there certainly is a fuel leak. If it is not a flue line, then it may be the fuel tank itself. Have it checked immediately. If it...
Coolant/antifreeze leaking
This may be due to a faulty thermostat, clogged radiator, a faulty coolant fan relay, blown head gasket, or many other potential causes. I would recommend having an expert from YourMechanic come to your home to diagnose and repair your...
Tires spun and car won't go forward
Hi, thanks for writing in. Usually, when you hear a clunking sound after the wheels were spinning it means that either the front drive axle was stripped or there is damaged inside the front transfer case. If the wheels spin...
When I'm getting gas, car won't start unless I pump the gas.
Hi, thanks for writing in. What is helping your car start is not the pumping of the gas, but the added oxygen when you open the throttle. The purge valve may be leaking excess fumes from the fuel tank when...

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