I have a 99 chevy silverado 1500 and it just turn but it wont start, my fuel pump works but its not sending mo gas to the engine they tell me that it could b the anti theft security plzz help mee...
If the fuel pump is running it's not the security system. Do you have fuel pressure at the fuel rail? If so, do you have spark? If so, the fuel injectors may not be spraying. Try squirting some starting fluid down the throttle body. Does it start and run a few seconds? If not, you're not getting spark. If so, it's a fuel problem. HTH. -Jim
Is that a vortec engine?
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