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98 Camaro

Tiny
JEFFEY08
  • MEMBER
  • 1998 CHEVROLET CAMARO
  • 6 CYL
  • 120,000 MILES
I have a 3.8 camaro motor that is not fireing on 3 cylinders one on each coil pack cpu has not picked up a fault code installed new coil packs wires plugs had ing mod checked has slight rattle left side of motor towards front of eng. Motor has 120.000 miles on it
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Tuesday, July 26th, 2011 AT 4:44 PM

9 Replies

Tiny
DOCFIXIT
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Are the three not firing on same bank ie. Cylinder head?
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Tuesday, July 26th, 2011 AT 5:04 PM
Tiny
JEFFEY08
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Thanks for the reply. No its #1 2 6
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Tuesday, July 26th, 2011 AT 5:26 PM
Tiny
DOCFIXIT
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Are you pulling plug wire off holding next to block to check for spark?
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Tuesday, July 26th, 2011 AT 5:38 PM
Tiny
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No pulled from coil while running made made no change in motor sound
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Tuesday, July 26th, 2011 AT 5:45 PM
Tiny
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Coil fires both plugs at same time called wasted spark so think you have spark but injector not operating. Have a DVOM? Test light? Compression guage?
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Tuesday, July 26th, 2011 AT 5:52 PM
Tiny
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Yes sir I do
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Tuesday, July 26th, 2011 AT 5:55 PM
Tiny
DOCFIXIT
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Check for voltage on pink. If good hook up test light clip to BATT POS probe on other wire for INJ crank does it flash?
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Tuesday, July 26th, 2011 AT 6:01 PM
Tiny
JEFFEY08
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Volts are good at inj and test light flashing on all inj
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Tuesday, July 26th, 2011 AT 6:16 PM
Tiny
DOCFIXIT
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Does injector click as engine runs? If yes check compression
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Tuesday, July 26th, 2011 AT 6:20 PM

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