Question about 1999 Chevrolet Suburban

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I have a 1999 chevy suburban 5.7 Vortech witch is starting to drive me nuts. The spark plug wires, and all around the ignition coil is arching. With this said the distributor, cap, rotor, plugs, wires, and coil are all brand new. However it runs great until she heats up then starts spuduring and looses power still drives just lacks power, and miss firers. Also useually on the first start of the morning or after it sits for a period of time it will start then shut right back off, Then starts and runs. The truck also has new fuel pump and filter. What els would be causing all my wires to arc. Please someone help me is you know.

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Make sure to replace cap with high performance replacement.

Posted on Feb 07, 2013

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Assuming none of the wires are crossed, AND you replaced the cap rotor wires with quality replacements (meaning AC Delco) then you may have a bad coil. Remove coil from dist cap if HEI and look for any signs of arcing such as blackened areas.

Posted on Nov 09, 2010

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Ignition Coil
Removal & Installation
4.2L Engine
1997-2000
To Remove:

Before servicing the vehicle refer to the precautions at the beginning of this section.
Remove or disconnect the following:
The ignition coil electrical connector
The radio ignition interference capacitor connector
The locking tabs
The six ignition wires, marking for reinstallation
The brackets
The spark plug wire set
CAUTION
Spark plug wires must be connected to the proper ignition coil terminal. Mark spark plug wire locations before removing them.
The accelerator cable bracket nut
The accelerator cable bracket bolt
The accelerator cable bracket and position it aside.
The two ignition coil nuts
The ignition coil stud bolt
The ignition coil
To Install:
Install or connect the following:
The ignition coil
The two ignition coil nuts
The ignition coil stud bolt
Torque to: 71-98 inch-lbs (8-11 Nm)
The accelerator cable bracket
The accelerator cable bracket nut
The accelerator cable bracket bolt
Torque to: 71-98 inch-lbs (8-11 Nm)
The ignition coil electrical connector
The radio capacitor connector


CAUTION
The Spark plug wires must be connected to the proper ignition coil terminal.
Squeeze the locking tabs and connect the six ignition cables.
2001-2003
To Remove:

Before servicing the vehicle refer to the precautions at the beginning of this section.
Remove or disconnect the following:
The ignition coil electrical connector
The spark plug wires, marking for reinstallation
CAUTION
The sparkplug wires must be connected to their correct ignition coil terminal.
The ignition coil
The bolts
Inspect the ignition coil for carbon tracks or damage.
To Install:
Inspect the ignition coil for carbon tracks or damage.
Install or connect the following:
The ignition coil
The bolts
Torque to: 53 inch-lbs (6 Nm)
The ignition coil electrical connector
The spark plug wires, in their original positions
4.6L Engine
1997-1999
To Remove:

NOTE: This procedure is for either RH or LH ignition coil.
Before servicing the vehicle refer to the precautions at the beginning of this section.
Remove or disconnect the following:
The ignition coil electrical connector
The radio capacitor electrical connector
The spark plug wires by squeezing the locking tabs (four each side)
CAUTION
The spark plug wires must be connected to their proper ignition coil terminal. Mark spark plug wire locations.
The bolts
The ignition coil
To Install:
NOTE: The procedure is for either LH or RH ignition coil
Install or connect the following:
The ignition coil
The bolts
Torque to: 44-62 inch-lbs (5-7 Nm)
The ignition coil electrical connector
The radio capacitor electrical connector
The spark plug wires (four each side), into their original positions by squeezing the tabs


CAUTION
The spark plug wires must be connected to their proper ignition coil terminal.

 
Top of Form 1
Bottom of Form 1

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