1999 5.3 liter Vortec V-8

[c y k]

 It's beginning to sound like the new DIS and injectors and anti-theft all came in at the same time, is this your impression?  Thanks, Charles
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On Fri, 23 Jun 2000 23:00:17   Chipsbyal wrote:
>I'm not sure about the module match. The 97 and later LS1 series engine, 
>which is now in the new trucks with a different intake, have no distributor 
>or high voltage switch. The ignition is CNP coil near plug. Each cylinder has 
>its own module, coil, coil to plug wire and they're all the same. The PCM or 
>now VCM controls each cylinder's spark timing individually, similar to the 
>injectors. It does use a new PCM for these, the old truck L 31 with the eight 
>poppet injectors (out of sight) has its own PCM family. The new engines have 
>external injectors, like most PFI systems. 
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