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Originally Posted by dosdonkey
hello, i have a 2000 silverado with a 4.3 liter vortec and i got into a slight fender bender in which my ladder hit another car (our actual cars didnt touch) very slight not even a scratch, but as soon as i tried to leave the car ran very baddly its misfiring and the code it gives when tested is random cylinder misfire, it also dies at times now , previosuly i had no problems, does anybody know some things to try? I replaced the cap adn roter just this last year and found out it was actuall the ign. module and replaced it as well if that helps!
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TRY REPLACEING THE SPARK PLUG AND WIRE FOR THE MISSFIRE. THIS WILL TAKE SOME TIME. SWAP THE SPARK PLUG FIRST WITH ANOTHER ONE. THEN GO BACK AND PULL THE CODE AND SEE IF IT IS THE SAME ONE THAT IS MISSFIRING. IF IT IS THEN ITS NOT THE SPARK PLUG. AFTER THAT CHANGE THE SPARK PLUG WIRE. THEN PULL THE CODE AGAIN AND IF ITS THE SAME THEN IT WILL MOST LIKELY BE THE COIL. IF. DO YOU KNOW WHICH CYCLINDER IS MISSFIRING? WHAT CODE IS IT? ON THE 2000 SILVERADO DONT THEY HAVE INDEPENDENT COILS?