SOURCE: Replaced ignition switch 2003 chevy impala and car will not start
After you replace the ignition switch turn the key to start the car and release leave the key were it stops after trying to start wait 10 minutes until security light goes out turn key to full off position then repeat the above procedure two more times for a total of three on the 3rd attempt to start car wait for light to go out then turn key to full off positoion wait 10 seconds then try to start car body control module should learn new pass code and the car should start.
Big john, J@J Automotive
SOURCE: Every time put gas in my 2003 Chevy impala goes on
give it a good tuneup. plugs, wires, airfilter etc. then go from there if there is no leaks. a bad coolant sensor will also cause it to use more fuel then before. do a tuneup first ! good-day ! tire pressure also.
SOURCE: put a new computer in my 2003 chevy impala and it wont start now
you most likely to have it programed for your engine and vehicle type. i went through this on a 2003 chevy
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