Check Engine Light Due to Engine Misfire on Chevrolet Cobalt

The ignition module or an ignition coil may fail causing an engine misfire, the Check Engine Light may or may not illuminate. Diagnoses will be required to determine the cause and needed repair.

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Average mileage: 102,617 (15,000–219,500)
6 model years affected: 2005, 2006, 2007, 2008, more2009, 2010
95 people reported this problem
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Viewing 1 - 20 of 61 problem details
2006 Chevrolet Cobalt 72,000 mi,
Car stalled, restarted, no power and kept stalling. Dealer did so-called "diagnostics" and said I needed new spark plugs, thermostat replaced and fuel induction service, cost $769. Took to an independent mechanic, changed plugs because I told them dealer said needed done. Problem persisted. Independent investigated further and found the problem. Cost $290
2006 Chevrolet Cobalt 104,000 mi,
Has not been fixed cannot afford it right now. Initially car was stalling, rough idle, surging & initially MAP & MAF sensors replaced, new air filter just in case & throttle body cleaned. Now check engine light is just flashing,stalling immediately, black smoke from exhaust, now misfiring & engine shaking. Don't know when it will be further repaired.
2009 Chevrolet Cobalt 59,000 mi,
The engine light would come on and go off all the time. Went in to get it fixed after Autozone guy thought if could be spark plugs but turned out to be engine coil. Just picked it up after getting fixed. You know with all the recalls and crap wrong with this car, I no wonder they quit making them. I am so ready to buy a Ford. This car is CRAP!!!!!!! What's worse is I gave up a perfectly never worked on Chevy Cavalier for this newer car. WHAT WAS I THINKING!!!!!????
2006 Chevrolet Cobalt 77,000 mi,
car misfires and lunges when you come to a stop especially in real cold weather
2007 Chevrolet Cobalt 100,457 mi,
it starts to miss and ack like it is going to die. Then quits and comes back again.
2006 Chevrolet Cobalt 90,000 mi,
My car did the same as all the others, stalled and misfired when slowing down and coming to a stop the first indication was that my head lights would dim and my car would have much less power then the stalling would begin, my check engine light never came on and the incidents seem to happen more frequently when it was colder outside but not always, my car definitely does not get the gas mileage that it should and seems to run with less power. Had my manifold cleaned out as they believed that it was clogged this improved the situation slightly as far as the stalling goes but I still have a car that is running powerless with crappy gas mileage and seems to be eating up oil but no leaks? Very dissapointed!
2005 Chevrolet Cobalt 94,000 mi,
engine low idles when coming to stop. bad ticking noise when accelerating. eating oil as well as milky oil (not the head gasket or related). chevy pos!!!
2006 Chevrolet Cobalt 50,000 mi,
replaced coil and module
2008 Chevrolet Cobalt 88,000 mi,
misfire on 2&3
2005 Chevrolet Cobalt 77,500 mi,
The car wanted to stall while breaking for stops. I had a tune up one day. The same day it still wanted to stall after the tune up. Had it at BP their machine said it needed a mass air flow sensor. Same thing...wanted to stall. Went bk to BP then their machine said the lower mass air flow sensor...had it changed...same thing...wanted to stall...had the fuel filter changed...omg same the mechanic says it could be the coil pack...they're checking for one for a decent price....
Car engine would cut off while slowing down or at stop sign/light. Check engine light came on & had to pay for a full diagnosis to find out the coil pack needed to be replaced...then it was followed by needed a replacement of a catalytic converter...then the ignition recall followed by a replacement of the Starter. What a crappy vehicle :(
2006 Chevrolet Cobalt 219,500 mi,
Was driving to doctors appointment and car started to hesitate and check engine light was blinking, barely made it to doctor, upon returning to my home did it again, I took it right to my mechanic. He diagnosed the problem as bad ignition coil and spark plugs. Over $200 to repair. This should be a recall. I was afraid for my life...
2005 Chevrolet Cobalt 69,150 mi,
I was told that I needed to have my engine rebuilt and the ECM rplaced. The car is still having electrical problems. Told I needed the TCM replaced, and still have the problems with the electrical system.
I have had multiple parts replaced,,TCM, Coil Pack, pollution thing. the list goes on. Now it is Coding misfire in number one and running extremely rough I am once again putting it in the garage on Monday to have the Camshaft pos sensor. I feel Chevy saw me coming. I have called and complained and like many others have been told that their is nothing they can do. They definitely don't care where their paychecks and their beachfront properties come from.
2006 Chevrolet Cobalt 83,000 mi,
Had code for engine misfire on cyl 1 Engine had miss at idle and sometime while driving. Replaced ignition module and coil assembly and car is fixed. Cost $80 for each part at salvos .
2010 Chevrolet Cobalt 54,000 mi,
At a stop light engine seems to feel like it is pulsating for a few minutes then goes away. Sometimes check engine light is on other times this happens with check engine light off.
2006 Chevrolet Cobalt 15,000 mi,
My #2 coil keeps going. I've replaced the strip twice. I have continued door look issues that may or may not be related.
2006 Chevrolet Cobalt 186,000 mi,
Car stalling, losing power, slow to accelerate, shaking, spitting and sputtering, and engine growling. Took it to Midas. Paid $492 for new platinum plugs, coil packs and ignition module.
2005 Chevrolet Cobalt 133,847 mi,
My car shuts of when applying the brake and my ignition sticks
2006 Chevrolet Cobalt 104,000 mi,
Chevy dealer costing 624.00