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Malibu Another long running GM name, the Malibu has overcome many changes to be one of the top mid size sedans heading into its eight generation.

Chevrolet Malibu
This area is for FWD models 1997 and newer
Platform: N-, Epsilon, Epsilon II.

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  #1  
Old 07-04-2010, 08:01 AM
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Post 2003 Malibu, No start

My car cranks and fuel pump hums, so why won't it start
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  #2  
Old 07-08-2010, 09:03 PM
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can you have someone check for codes?
Did it just not start one morning or did it quit running while driving?
can you check for spark? one way is to use starting fluid sprayed into the intake - I remove a hose and spray it in there.
If it starts for a second or two, you have spark but the fuel is not getting from the fuel pump to the cylinders. The injectors don't operate until the PCM tells them to, The pcm looks for a signal from the crank sensor to determine when each injector should squirt.
If it doesn't start from the starting fluid, you have no spark. could be the ignition module
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Old 07-09-2010, 06:48 PM
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It was the crankshaft position sensor that sits behind the balancer.
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Old 09-14-2013, 05:37 PM
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I have a 2003 malibu an not getting power to the ignition, the fuel gauge not working, the anti theft light is not on.It just cranks over
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Old 09-14-2013, 05:40 PM
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Default 2003 malibu

wont start just cranks over, no power to the ignition, the gauges not working, everthing eles works
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  #6  
Old 09-15-2013, 02:34 PM
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Check the fuses. look for "ECM"and / or "IGN MOD".

If it is the ECM fuse, we will need to look for what caused it to blow. Those fuses usually do not blow unless there is a short or ?? something

Also check ground wires. or continuity from the ignition module's ground wire to another ground.
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Old 09-15-2013, 02:34 PM
 
 
 
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Tags
04, 2003, 97, astro, chevy, fire, fuel, gm, hums, isnt, lack, malibu, pump, spark, start


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