2004 Chevrolet Malibu 2.2L Ecotec P0171.

Question = Can the Mass Air Flow sensor be tested with a multi-meter?
Why does my  malibu have this code.

Answer:
It can be done if you have a meter that can reads hertz. Best way is to look at data on a  scanner after checking the basics- power, ground, continuity of wires. A common cause  for this condition is a vacuum leak. There is also a PCM update available to correct a false  setting of this code.
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I have a clunking noise in the front end and the steering. It happens when i am turning slowly like in a parking lot. Going forward gear or backwards does not change the sound. When i am driving and going around a corner or just pulling into my driveway i hear the noise
My 1998 Chevy Malibu Blower Motor Keeps Going Bad
I have had it replaced three time in the last 2 years. I have also had the blower motor resistor replaced once.  Is there anything...
2005 Chevy Malibu.
Engine size = 6.0
question = I have 2005 malibu that has a sucking like vacuum noise coming from engine and it has no power when taking off because it is sucking in so much air.
Answer:
By your description, this would be hard to determine without actually hearing - feeling the car. But you should have the fuel pressure checked, make sure all the air intake system is intact between the air filter and the engine, and have the catalytic converter checked for being plugged.


2004 Chevy Malibu V6 Check engine light.
Codes = p0455.
Question: I have a 04 Chevy Malibu and my check engine light is on. I have a friend who has a scanner check it out and it read code p0455. She doesn't know what the codes mean and we looked online to find evap leak.. Our problem is that we dont know what that is, can u help??
Answer: A trouble code P0455 is for the Evaporative Emission System, and it means there is a large leak detected. Basically, the EVAP system controls fuel fumes and monitors fuel tank pressure. When the system cannot seal properly, it will set a code. The code you have is for a major leak, and by leak I mean a leak of vacuum from the system or fuel vapor escaping when it shouldn't. The most likely cause is a gas cap that wasn't properly put back on, or the car being fueled while it was running. Check to make sure the gas cap is tight and the proper type for your car. Another possibility is what's called the EVAP Vent Solenoid. If there is a problem with that solenoid, it will let the fuel vapor vent to the atmosphere when it should be closed. It will most likely have to be checked out by a professional. They can put a better scanner on the car to check for problems and can also pressurize the EVAP system to find a leak easier.
Chevrolet Malibu Engine Code P0171 Lean And P0455 Large EVAP Leak

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