6 bolt is 4321 with the 1 being on the drivers side.
NGK laser iridium spark plugs.
Screwed in the head.
When you open the hood you'll notice your valve cover says 16 Valve, and DOHC on either side of the cam cover. Between these two words is a cover, which goes over the spark plug wires. Once you remove the cover, and the spark plug wires, the spark plugs will be revealed.
The hampster's dead
The number of spark plugs is determined by the number of cylinders not the number of camshafts.
A faulty ECM!!!
Follow the plug wires from the distributor.
.041
Lift the hood, disconnect the battery, remove the spark plug cables and covers, and remove the old spark plugs. Next put in the new spark plugs, replace the cables and covers, reconnect the battery and close the hood.
Check the ballist resister on fire wall !!!!
Closest to the passenger side
spark plugs = the number of cylinders your car has. Tercel should be a 4 cylinder so 4 spark plugs.