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Re: 2007 impala died at stop light wouldn't start right...
You need to get the fault codes read to get the different faults and search what the codes mean to get a suggestion of where to look as sometimes the fault is upstream of the failed component
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It sounds like the electronic throttle control has a problem, you need it scanned for proper function by a either a dealer or a shop that has the correct high end scanner to do the testing, as this part costs a fortune don't just throw parts at it have the testing done.
If you have an engine light on you might ask autozone to read the code and tell you what's wrong. It could be that your spark plugs are worn out. If the spark plug gap is too great then that could cause stalls due to lack of ignition.
It's called a "dead" cylinder and you did right by replacing the cam sensor. Still does it though? Do a ohm meter test on the injectors to find if one is bad. The one that shows the lowest reading compared to the rest is the bad one. Code being P0304 means it's #4 cylinder dead. IF that injector shows a low reading, replace it or have it cleaned professionally. If the test shows all injectors reading the same, 16.5 or so, none are bad. do a compression test on all cylinders, if you find #4 cylinder is on the low side with a compression test, you have a bad exhaust valve and must give it attention.
i had a similar problem with 2007 focus,car stumbled couple times,stopped at store for milk, car wouldn't start back up,alternator light blinking erratically.wound up replacing alternator,actually had the old one repaired,shorted diode.bad job was removing it from car.came out from underneath.
this is normal operation for gm factory remote start if the ck engine light is on the remote start will be disabled. Because with the ck engine light means that there is something not operating properly and gm has put this in there system so you will not damage the engine by remote starting the vech with low coolant and let it run for 10 min and over heat the engine and cause engine damage.
SOUNDS LIKE IDLE AIR CONTROL VALVE,YOU WILL PROBALBLY NEED A COMPUTER ILDE RELEAN FLASH,IT RESETS VALVE OR IF THAT DOESN'T FIX POSSIBLY AN AIR FLOW METER AND A ECM UPDATE,HOPEFULLY YOU KNOW A TECH DEALER GOOD LUCK
If the car starts and dies right away you may have a pass key sensor fault.
Try to start the car,if the car dies right away just leave the key on and watch the security light in the insturment panel,if it begins to blink leave the key on until it stops blinking (apx 10 mins.) this will reprogram the pass lock to the pcm and may solve all your problems.if the car continues to die after running a min or so then you may have other faults,or if the car dies right after start the pass lock sensor may need to be replaced.
Car dies when coming off acceleration or at idle in traffic or at a stop. I can watch the Tach go to 0 RPM, some times it will restart immediately other times it is hard to start, so far I have always been able to re-start it and Drive on. Does anybody have verified fix for this issue, I have seen posts saying can and crank sensor, throttle body, EGR, and many more ideas... Do not really want to just start replacing parts with the hope that I eventually get a fix. Help...
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