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Are you getting spark from the spark plug wires to the spark plugs?
The first step is to make sure that you are getting spark from the spark plug wires.
Please test for spark using a test light or by removing and laying the spark plug wire aganist the valve cover.
Next you will need to make sure that you have the correct firing order.
Please refer to the diagram below:
my fire order is right , its not getting fire through anything its dead
You will need to scan the engine control module for failure codes.
You could be dealing with a crankshaft position sensor malfunction. There is a Technical Service Bulletin that has been released by GM about this issue.
With this particular issue, the check engine light will not come on but it will store a crankshaft position sensor failure code. Here is the information on the service bulletin below:
File In Section: 06 - Engine/Propulsion System
Bulletin No.: 00-06-04-014
Date: April, 2000
Subject: No, Hard, or Slow Start, Backfire or "Kickback" DuringCrank/Start, "Grinding" or Unusual Noises During Crank, DTC P0338(Replace Crankshaft Position Sensor)
Models: 1999-2000 Cadillac Escalade1995-2000 Chevrolet and GMC SIT Models1996-2000 Chevrolet and GMC C/K, M/L, G, P Models1996-2000 Oldsmobile Bravadawith 4.3 L, 5.0 L, 5.7 L or 7.4 L Engine(VINs W, X, M, R, J RPOs L35, LF6, L30, L31, L29)
Condition:Some customers may comment on one or more of the following conditions:
Correction:Inspect for a stored powertrain DTC code P0338. This DTC will NOT illuminate the "Service Engine Soon" light. If this code is stored, the Crankshaft Position Sensor, P/N 10456607, MUST be replaced and the remaining components inspected for damage (engine block at the starter boss, the starter drive housing, and the engine flywheel starter ring gear).
Notice : When DTC code P0338 is set, failure to replace the Crankshaft Position Sensor could result in repeated inoperative conditions of the starter or flywheel.
Important : Some flywheel wear is normal; broken or missing teeth and/or cracks, are not normal.