Firing order is 1-3-7-2-6-5-4-8 Number one plug is located passenger side front of engine. Distributor rotates counter clockwise. 1-3-7-2-6-5-4-8 distributer turns counter clockwise
If you didn't replace one spark plug wire at a time you may have mixed up the firing order.
what is the spark plug wire sequence to a 1990 vw cabrio. send picture if possible?
The spark plug wires connect in the 7,3,5,1, 8, 6, 4, 2 order on the 350 motor for the Chevrolet Silverado made in 1990. This changes in the models built after 1990.
That would depend on which engine size you have
Find the tower with the #1 spark plug wire. Going clockwise from here, the firing order is 18436572.
The firing order on this engine is 1-3-7-2-6-5-4-8. Look at the distributor cap. There should be a number 1 in about the 1 o'clock position. The first plug wire goes there. On the other end, place the wire on the number 1 plug, (the plug on the passenger side closest to the grill). Next, going counter clockwise on the distributor, follow the firing order. So the next wire would be number three, then number seven, and so on.
In general (very loosely) a misfire can be a bad plug, wire or coil.
It is the ground wire for the fuel pump. The Red wire is the power wire for the pump. the dark blue is the signal wire for the gauge and the black is the ground for the gauge.
The speed sensor for a 1990 Cadillac Deville is located on the side of the transmission. Look for a 2 wire plug with 18 gauge wire.
Defective spark plug, bad plug wire, burnt valve, cracked head, or blown head gasket.
The ground wire is melting on the 1990 F150 when trying to start the vehicle because the wrong wire is being used as a ground wire. The wires are color coded. Perhaps the factory made a mistake with how the wires were hooked up.
On top of the intake in front of the throttle control. it has a two wire plug going into it.