Skip the auto shop - Our mechanics make house calls

Q: I put a engine out of a 2007 malibu in the 2005 cobolt. Why will the engine not start

asked by on

Is there any difference in the heads? I can't get it to fire.

My car has 11313 miles.
My car has an automatic transmission.

Hi there. Check all of the sensors to the engine and make sure that all of them are connected. Check the computer and see if there is an wires disconnected to it. A loose wire on any electrical system will cause the engine to not start. If you need further assistance with your engine not starting after an engine swap, then seek out a professional, such as one from Your Mechanic, to help you.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  • Home
  • Questions
  • I put a engine out of a 2007 malibu in the 2005 cobolt. Why will the engine not start

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Engine oil ran extremely low, the oil is now back to the right level but now a clicking noise happens when I press the gas pedal

Unfortunately, this means that damage has occurred to the engine. If the engine runs low the engine parts are not lubricated and will therefore we're much quicker than if they were lubricated properly. The only way to resolve this issue...

Q: my car wont start the battery

Hello, It sounds like you may have something wrong in terms of a fuel supply issue. Since the car started once, generally this means it does have spark and that there are not ignition problems preventing it from firing. It...

Q: Check Engine light for catalytic converter

If you are not experiencing drivability issues, the catalytic converters may be starting to become inefficient. Catalytic converters often times are ruined by raw fuel in your exhaust system. Misfires that go unresolved are usually the cause of this. A...

Related articles

What Causes Hoses to Leak?
While the largest part of your engine is mechanical, hydraulics plays a significant role. You’ll find fluids at work in a number of different areas. Your car's fluids include: Engine oil Transmission...
How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...