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Old 01-31-2008   #7
Jungy
 
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Join Date: Dec 2006
Location: SLP
Drives: 10' Sierra Denali & 99' beatervette
Posts: 252
Re: HELP! 420A Problems!

Crank position sensor, and cam angle sensor. Take a volt meter and verify your getting 8 volts coming out of the ecu for your cam and crank position sensor.Then verify at the sensor your getting the same. If either one are not working you wont get spark. Also check and see if you have 12v at the middle wire on the coil pack when the key is in the run position. I thought i remembered there being problems with the marks on the tru-time cam gears, you should line up your stock gears and check that they are correct.
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Last edited by Jungy; 01-31-2008 at 07:09 PM.. Reason: more help info
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