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Old 05-27-2011, 10:24 PM   #1
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Default 2005 cavalier not starting

my friend arched the battery posts after changing the fan and plugs now the car won't run spins over fine but no fire changed the crank sensor, coil, igniter, knock sensor, and the brain off of a running car and still no fire need help
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Old 05-27-2011, 10:32 PM   #2
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I moved your thread an lenghtend the title for better visibility..

IS the check engine light on?
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Old 05-27-2011, 10:33 PM   #3
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Did you check for spark? how about fuel pressure. You may have blown a fuse when the battery was arched.
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Old 05-27-2011, 10:42 PM   #4
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has plenty of fuel pressure all fuses are good no check lights on or codes when scanned
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Old 05-27-2011, 10:44 PM   #5
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does anyone know what the crank sensor voltage should be
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Old 05-27-2011, 10:45 PM   #6
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I believe that is 5v
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Old 05-27-2011, 10:47 PM   #7
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no spark and only 2.8 volts when i tested voltage for crank sensor
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Old 05-27-2011, 10:47 PM   #8
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Quote:
Originally Posted by trapjaw028 View Post
has plenty of fuel pressure all fuses are good no check lights on or codes when scanned

Do you have spark at the plugs?
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Old 05-27-2011, 10:54 PM   #9
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no spark at plugs
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Old 05-27-2011, 10:55 PM   #10
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Disconnect the powertrain control module (PCM).
Measure the resistance between the signal circuit and the low reference circuit of the crankshaft position. 500-900 ohms
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