Well you didn't say what year it was , keeping that in mind I will try to respond with the info you did give. Generally the Chevy G20 vans have a coil mounted in the distributor itself, so having spark comming from the coil would mean it is not flowing through the rotor to the plug wires..... not sounding right to me either,... Possibly just a bad Distributor cap unless you have already replaced it. So I would have you look at the Ignition module first and the pick up coil second.. not mush else it could be ( ruling out a broken timing chain ) If it is a newer vehicle , it may have a crank position sensor failing or ecm.
For
spark plug problem, click the help links provided below: ---
Car has
no spark?
http://schematicsdiagram.blogspot.com/2011/06/car-has-no-spark.html
------------
How to Replace Spark
Plugs?
http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-spark-plugs.html
-------------
Car cranks, has spark but
will not start?
http://howtobyme.blogspot.com/2011/12/car-crankshas-spark-but-will-not-start.html
------------------------
The spark
plug firing order for car?
http://schematicsdiagram.blogspot.com/2011/06/spark-plug-firing-order-for-car.html
----------
How to gap spark plug ?
http://technoanswers.blogspot.in/2012/02/how-to-gap-spark-plug-on-chevy-impala.html
-----------
Spark plug Replacing for?
http://technoanswers.blogspot.in/2012/02/spark-plug-replacing-for-chevy-impala.html
-----------
How to identify number one
spark plug on the distributor cap?
http://schematicsdiagram.blogspot.com/2011/12/how-to-identify-number-one-spark-plug.html
---------
How does the spark plug
wire go on the distributor cap?
http://schematicsdiagram.blogspot.com/2011/12/how-does-spark-plug-wires-go-on.html
---------
Spark plug Firing Order
Diagram?
http://schematicsdiagram.blogspot.com/2011/12/2006-suzuki-forenza-spark-plug-firing.html
-----------
This will help.
Thanks.
For
spark plug problem, click the help links provided below: ---
Car has
no spark?
http://schematicsdiagram.blogspot.com/2011/06/car-has-no-spark.html
------------
How to Replace Spark
Plugs?
http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-spark-plugs.html
-------------
Car cranks, has spark but
will not start?
http://howtobyme.blogspot.com/2011/12/car-crankshas-spark-but-will-not-start.html
------------------------
The spark
plug firing order for car?
http://schematicsdiagram.blogspot.com/2011/06/spark-plug-firing-order-for-car.html
----------
How to gap spark plug ?
http://technoanswers.blogspot.in/2012/02/how-to-gap-spark-plug-on-chevy-impala.html
-----------
Spark plug Replacing for?
http://technoanswers.blogspot.in/2012/02/spark-plug-replacing-for-chevy-impala.html
-----------
How to identify number one
spark plug on the distributor cap?
http://schematicsdiagram.blogspot.com/2011/12/how-to-identify-number-one-spark-plug.html
---------
How does the spark plug
wire go on the distributor cap?
http://schematicsdiagram.blogspot.com/2011/12/how-does-spark-plug-wires-go-on.html
---------
Spark plug Firing Order
Diagram?
http://schematicsdiagram.blogspot.com/2011/12/2006-suzuki-forenza-spark-plug-firing.html
-----------
This will help.
Thanks.
For
spark plug problem, click the help links provided below: ---
Car has
no spark?
http://schematicsdiagram.blogspot.com/2011/06/car-has-no-spark.html
------------
How to Replace Spark
Plugs?
http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-spark-plugs.html
-------------
Car cranks, has spark but
will not start?
http://howtobyme.blogspot.com/2011/12/car-crankshas-spark-but-will-not-start.html
------------------------
The spark
plug firing order for car?
http://schematicsdiagram.blogspot.com/2011/06/spark-plug-firing-order-for-car.html
----------
How to gap spark plug ?
http://technoanswers.blogspot.in/2012/02/how-to-gap-spark-plug-on-chevy-impala.html
-----------
Spark plug Replacing for?
http://technoanswers.blogspot.in/2012/02/spark-plug-replacing-for-chevy-impala.html
-----------
How to identify number one
spark plug on the distributor cap?
http://schematicsdiagram.blogspot.com/2011/12/how-to-identify-number-one-spark-plug.html
---------
How does the spark plug
wire go on the distributor cap?
http://schematicsdiagram.blogspot.com/2011/12/how-does-spark-plug-wires-go-on.html
---------
Spark plug Firing Order
Diagram?
http://schematicsdiagram.blogspot.com/2011/12/2006-suzuki-forenza-spark-plug-firing.html
-----------
This will help.
Thanks.
For
spark plug problem, click the help links provided below: ---
Car has
no spark?
http://schematicsdiagram.blogspot.com/2011/06/car-has-no-spark.html
------------
How to Replace Spark
Plugs?
http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-spark-plugs.html
-------------
Car cranks, has spark but
will not start?
http://howtobyme.blogspot.com/2011/12/car-crankshas-spark-but-will-not-start.html
------------------------
The spark
plug firing order for car?
http://schematicsdiagram.blogspot.com/2011/06/spark-plug-firing-order-for-car.html
----------
How to gap spark plug ?
http://technoanswers.blogspot.in/2012/02/how-to-gap-spark-plug-on-chevy-impala.html
-----------
Spark plug Replacing for?
http://technoanswers.blogspot.in/2012/02/spark-plug-replacing-for-chevy-impala.html
-----------
How to identify number one
spark plug on the distributor cap?
http://schematicsdiagram.blogspot.com/2011/12/how-to-identify-number-one-spark-plug.html
---------
How does the spark plug
wire go on the distributor cap?
http://schematicsdiagram.blogspot.com/2011/12/how-does-spark-plug-wires-go-on.html
---------
Spark plug Firing Order
Diagram?
http://schematicsdiagram.blogspot.com/2011/12/2006-suzuki-forenza-spark-plug-firing.html
-----------
This will help.
Thanks.
For
spark plug problem, click the help links provided below: ---
Car has
no spark?
http://schematicsdiagram.blogspot.com/2011/06/car-has-no-spark.html
------------
How to Replace Spark
Plugs?
http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-spark-plugs.html
-------------
Car cranks, has spark but
will not start?
http://howtobyme.blogspot.com/2011/12/car-crankshas-spark-but-will-not-start.html
------------------------
The spark
plug firing order for car?
http://schematicsdiagram.blogspot.com/2011/06/spark-plug-firing-order-for-car.html
----------
How to gap spark plug ?
http://technoanswers.blogspot.in/2012/02/how-to-gap-spark-plug-on-chevy-impala.html
-----------
Spark plug Replacing for?
http://technoanswers.blogspot.in/2012/02/spark-plug-replacing-for-chevy-impala.html
-----------
How to identify number one
spark plug on the distributor cap?
http://schematicsdiagram.blogspot.com/2011/12/how-to-identify-number-one-spark-plug.html
---------
How does the spark plug
wire go on the distributor cap?
http://schematicsdiagram.blogspot.com/2011/12/how-does-spark-plug-wires-go-on.html
---------
Spark plug Firing Order
Diagram?
http://schematicsdiagram.blogspot.com/2011/12/2006-suzuki-forenza-spark-plug-firing.html
-----------
This will help.
Thanks.
For
spark plug problem, click the help links provided below: ---
Car has
no spark?
http://schematicsdiagram.blogspot.com/2011/06/car-has-no-spark.html
------------
How to Replace Spark
Plugs?
http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-spark-plugs.html
-------------
Car cranks, has spark but
will not start?
http://howtobyme.blogspot.com/2011/12/car-crankshas-spark-but-will-not-start.html
------------------------
The spark
plug firing order for car?
http://schematicsdiagram.blogspot.com/2011/06/spark-plug-firing-order-for-car.html
----------
How to gap spark plug ?
http://technoanswers.blogspot.in/2012/02/how-to-gap-spark-plug-on-chevy-impala.html
-----------
Spark plug Replacing for?
http://technoanswers.blogspot.in/2012/02/spark-plug-replacing-for-chevy-impala.html
-----------
How to identify number one
spark plug on the distributor cap?
http://schematicsdiagram.blogspot.com/2011/12/how-to-identify-number-one-spark-plug.html
---------
How does the spark plug
wire go on the distributor cap?
http://schematicsdiagram.blogspot.com/2011/12/how-does-spark-plug-wires-go-on.html
---------
Spark plug Firing Order
Diagram?
http://schematicsdiagram.blogspot.com/2011/12/2006-suzuki-forenza-spark-plug-firing.html
-----------
This will help.
Thanks.
For
spark plug problem, click the help links provided below: ---
Car has
no spark?
http://schematicsdiagram.blogspot.com/2011/06/car-has-no-spark.html
------------
How to Replace Spark
Plugs?
http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-spark-plugs.html
-------------
Car cranks, has spark but
will not start?
http://howtobyme.blogspot.com/2011/12/car-crankshas-spark-but-will-not-start.html
------------------------
The spark
plug firing order for car?
http://schematicsdiagram.blogspot.com/2011/06/spark-plug-firing-order-for-car.html
----------
How to gap spark plug ?
http://technoanswers.blogspot.in/2012/02/how-to-gap-spark-plug-on-chevy-impala.html
-----------
Spark plug Replacing for?
http://technoanswers.blogspot.in/2012/02/spark-plug-replacing-for-chevy-impala.html
-----------
How to identify number one
spark plug on the distributor cap?
http://schematicsdiagram.blogspot.com/2011/12/how-to-identify-number-one-spark-plug.html
---------
How does the spark plug
wire go on the distributor cap?
http://schematicsdiagram.blogspot.com/2011/12/how-does-spark-plug-wires-go-on.html
---------
Spark plug Firing Order
Diagram?
http://schematicsdiagram.blogspot.com/2011/12/2006-suzuki-forenza-spark-plug-firing.html
-----------
This will help.
Thanks.
For
spark plug problem, click the help links provided below: ---
Car has
no spark?
http://schematicsdiagram.blogspot.com/2011/06/car-has-no-spark.html
------------
How to Replace Spark
Plugs?
http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-spark-plugs.html
-------------
Car cranks, has spark but
will not start?
http://howtobyme.blogspot.com/2011/12/car-crankshas-spark-but-will-not-start.html
------------------------
The spark
plug firing order for car?
http://schematicsdiagram.blogspot.com/2011/06/spark-plug-firing-order-for-car.html
----------
How to gap spark plug ?
http://technoanswers.blogspot.in/2012/02/how-to-gap-spark-plug-on-chevy-impala.html
-----------
Spark plug Replacing for?
http://technoanswers.blogspot.in/2012/02/spark-plug-replacing-for-chevy-impala.html
-----------
How to identify number one
spark plug on the distributor cap?
http://schematicsdiagram.blogspot.com/2011/12/how-to-identify-number-one-spark-plug.html
---------
How does the spark plug
wire go on the distributor cap?
http://schematicsdiagram.blogspot.com/2011/12/how-does-spark-plug-wires-go-on.html
---------
Spark plug Firing Order
Diagram?
http://schematicsdiagram.blogspot.com/2011/12/2006-suzuki-forenza-spark-plug-firing.html
-----------
This will help.
Thanks.
http://howtobyme.blogspot.com/2011/12/car-crankshas-spark-but-will-not-start.html
------------------------
The spark plug firing order for car?http://schematicsdiagram.blogspot.com/2011/06/spark-plug-firing-order-for-car.html
----------How to gap spark plug ?http://technoanswers.blogspot.in/2012/02/how-to-gap-spark-plug-on-chevy-impala.html-----------Spark plug Replacing for?http://technoanswers.blogspot.in/2012/02/spark-plug-replacing-for-chevy-impala.html
-----------How to identify number one spark plug on the distributor cap?http://schematicsdiagram.blogspot.com/2011/12/how-to-identify-number-one-spark-plug.html
---------How does the spark plug wire go on the distributor cap?http://schematicsdiagram.blogspot.com/2011/12/how-does-spark-plug-wires-go-on.html
---------Spark plug Firing Order Diagram?http://schematicsdiagram.blogspot.com/2011/12/2006-suzuki-forenza-spark-plug-firing.html
-----------This will help.Thanks.
http://howtobyme.blogspot.com/2011/12/car-crankshas-spark-but-will-not-start.html
------------------------
The spark plug firing order for car?http://schematicsdiagram.blogspot.com/2011/06/spark-plug-firing-order-for-car.html
----------How to gap spark plug ?http://technoanswers.blogspot.in/2012/02/how-to-gap-spark-plug-on-chevy-impala.html-----------Spark plug Replacing for?http://technoanswers.blogspot.in/2012/02/spark-plug-replacing-for-chevy-impala.html
-----------How to identify number one spark plug on the distributor cap?http://schematicsdiagram.blogspot.com/2011/12/how-to-identify-number-one-spark-plug.html
---------How does the spark plug wire go on the distributor cap?http://schematicsdiagram.blogspot.com/2011/12/how-does-spark-plug-wires-go-on.html
---------Spark plug Firing Order Diagram?http://schematicsdiagram.blogspot.com/2011/12/2006-suzuki-forenza-spark-plug-firing.html
-----------This will help.Thanks.
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