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  1. Gen 5 & 6 Problems/Service Issues/Troubleshooting
    I have a 2003 Malibu, the alternator was going bad. My boyfriend threw the old one on the gravel while replacing it with a new one that doesn’t fit. Ever since he had to old one back in a code pulled for multiple misfires. Rough idled and hard to start cold or hot. we have replaced the coil...
  2. Gen 8 Problems/Service Issues/Troubleshooting
    hey everyone, been trying to get my malibu (2016 limited lt with 2.5l) running right again, been seeing a lot of the same issues im having with the fix being tightening the bolts on the intake manifold.. but ive taken it to two shops who have told me they wont do the work untill the car throws...
  3. Gen 7 Problems/Service Issues/Troubleshooting
    Hi I have a 2011 Chevy Malibu and the problem with it is as soon as I start it, it will turn on but the RPM’s will start to flutter up and down and the car will die off. A temp solution I found for it is I will press the gas immediately when I drive. Another issue with it is at stop signs or red...
  4. Gen 8 Problems/Service Issues/Troubleshooting
    Hi all, I have a 2016 Malibu Limited 2.5l with 120,000km For a while now the rpm during idle jumps between 700 and 900rpm. aswell as occasionally dipping below 700rpm and having a brief shake as rpm jump back up.(feels like a small misfire) this happens regardless whether im in park...
  5. Gen 5 & 6 Problems/Service Issues/Troubleshooting
    Hi I have been reading the forum trying to figure the surging problem out on my daughter's 2000 Malibu. It cruise's fine, but when setting and idle it runs rough then worsening when idle in gear. Though takes off and cruise's fine. I have ran my scanner and replaced the following laundry list...
  6. Gen 8 Problems/Service Issues/Troubleshooting
    Alright so this car is turning into a nightmare. 13’ 2.4L eco. with 150k on it. I had a massive oil blow out around serpentine belt. Dealer fix $1.5k said replaced bearings too. Within 5k miles bleed out 3qts due to a “dry rotted cartridge filter cap. Oh BTW timing chain guides disintegrated in...
  7. Gen 9 Problems/Service Issues/Troubleshooting
    My Malibu has had an idle issue where when i stop in drive the engine will seems likes its misfiring and the engine speed will go up and down about 150-200 RPM. This only happens when the engine is cold. Just today i experienced the same thing but at around 30mph and it kept doing it as i came...
  8. Gen 5 & 6 Problems/Service Issues/Troubleshooting
    2003 Chevy Malibu LS 3.1 V6 110,000 miles. I just replaced the fuel regulator because gas was coming out of it. Now very rough idle feels like it will stall. Sorta revs up and down on its own. It didn't have any of the common symptoms of a bad regulator except for the very strong odor. I...
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