2005 Chevy Silverado Fireing

Tiny
HOLLON
  • 2005 CHEVROLET SILVERADO

Electrical problem
2005 Chevy Silverado 6 cyl Two Wheel Drive Automatic 88000 miles

does not fire, Installed new coil & icm

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Saturday, July 17th, 2010 AT 12:52 PM

3 Replies

Tiny
RASMATAZ
  • MEMBER

Hi Hollon, Welcome to 2carpros and TY for the donation

Do below to determine if its a fuel or spark problem and comeback with some testing results we start here.

Get a helper disconnect a sparkplug wire or 2 and ground it to the engine atleast 3/16 away from ground-have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel related problem, check the fuel pressure to rule out the fuel filter/fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil packs, coil's resistances, cap and rotor, distributor pick-up coil, ignition control module, cam and crank sensors and computer Note: If it doesn't apply disregard it

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Saturday, July 17th, 2010 AT 3:09 PM
Tiny
HOLLON
  • MEMBER

I get fire through coil but not to plugs

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Monday, July 19th, 2010 AT 7:50 AM
Tiny
RASMATAZ
  • MEMBER

Inspect dizzy cap and ignition rotor

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Monday, July 19th, 2010 AT 2:52 PM

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