You should always check the gap to make sure a plug hasn't been dropped on the end and changed the gap.
Toyota spark plugs from dealer pre gaped
You will need to gap the spark plug according to manufactures recommendation or your application.
Some spark plugs come pre- gaped depending on the vehicle and type of spark plug. But even pre-gaped plugs should be checked with a feeler gauge to be sure it is correct If the plugs you are using are not pre-gaped a feeler gauge must be utilized in order to get an accurate gap reading. Your local auto parts store can help you with what the gap should be for your vehicle.
you will need to get a spark plug tool and check them before you install them in your car, if you buy them from a parts house sometimes they come pre gaped for your car
The iridium plugs that have replaced the platinum plugs, do not require gaping. They come pre-gaped. These long life plugs are coated and any gaping process may disrupt the coating causing premature plug failure. Replace the plugs at 80 -100,000 miles with AC Delco Iridiums. Check the plugs and ensure the protective sleeve is in place that protects the factory gap. www.trailvoy.com
Spark plugs that you buy, should be pre-gapped for this application. 60MM is the gap for my 1998 GMC SIERRA with the same Engine and the AC-DELCO plugs that I use, are always pre-gapped and work just fine, right out of the box.
check to see if u got the right kind of plugs and if u got them connected in the right firing order you should also make sure that the plugs either came pre-gaped or if they didn't make sure you gaped them correctly.
Your gap is .044 the plugs should come pre-gaped but it is always good to check them.Hope This Helps.
i thought b9es was the plug for that bike. they should be close to pre gaped for you
New spark plugs do not necessarily come already pre-gapped for the application. Remove the spark plugs and gap per specifications. If you are not sure what the gap should be, call the auto parts store where you bought the plugs and ask them.
if you buy ngk spark plugs the gap is already pre set.
The 1989 Cutlass Ciera modern production spark plugs are pre-gapped from the factory and should not be altered. The OEM AC Delco Professional Platinum #41805 for this engine comes pre-gapped at .045 inches for reference purposes.