Astro V6 1994, Has weak spark. If you remove center dist. wire and hold it slightly above ground, the spark is yellow and doesn;t have a snap to it. If I put a plug on it and ground the plug, same thing. I've installed a new coil, nothing changed. This test eliminates all of the plug wires and spark plugs. Has a completely new distributor. Has 12v at coil. The only thing I can see that is left is the ground thru the coil which goes thru the computer.
SOURCE: 98 Chevy Astro van AWD
I'd check for vacuum leaks next. use a spray can of intake or brake cleaner. spray around vacuum lines, manifold gaskets etc. if the rpm increases you found a leak.
SOURCE: Removed & replaced dist. cap and rotor on 1993 S10 Blazer 4.3 V-6
The firing order for a Chevy s10 depends on which engine you have. 1.9L engine the firing order is: 1-3-4-2 . Distributor rotates counterclockwise. 2.0L engine the firing order is: 1-3-4-2 . Distributor rotates clockwise. 2.5L engine the firing order is: 1-3-4-2 . Distributor rotates clockwise. 2.8L engine the firing order is: 1-2-3-4-5-6 . Distributor rotates clockwise. 4.3L engine the firing order is: 1-6-5-4-3-2 . Distributor rotates clockwise.
SOURCE: 1994 astro ext will not start
fuel pump relay is under the hood in the fuse/relay box. information is in your owners manual.
when was the last time you replaced the fuel filter, maybe its plugged?
SOURCE: HOW DO I CHANGE THE SPARK PLUGS ON A 2001 CHEVROLET ASTRO AWD WIT
get in through the doghouse, you will need a flex head ratchet and different lenght extensions
SOURCE: spark plug wiring diagram for a 1993 chevy
Distributor turns clockwise. Number 1 at 5 oclock position. Firing order is 1-6-5-4-3-2
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