When to change ignition coil. - Toyota Yaris Forums

MUSKOKA800 · 12-25-2014, 01:00 PM

If the NGK plugs number ends with the suffix -11 they are pre-set to our gap. Otherwise you should confirm/adjust the gap. If I recall our gap is .43 but double check your manual.

I installed the NGK iridium spark plugs are they pre gap from factory?[/QUOTE]

junorico24 · 12-25-2014, 08:05 PM

Quote:

Originally Posted by MUSKOKA800

If the NGK plugs number ends with the suffix -11 they are pre-set to our gap. Otherwise you should confirm/adjust the gap. If I recall our gap is .43 but double check your manual.

I installed the NGK iridium spark plugs are they pre gap from factory?

[/QUOTE]

Correct me if i am wrong. But is the BKR5EIX-11 for the 1.3 Yaris and BKR5EIX is for the 1.5 ltr Yaris? what is the difference? I think i got the wrong plugs.

junorico24 · 12-27-2014, 06:31 AM

Quote:

Originally Posted by MUSKOKA800

If the NGK plugs number ends with the suffix -11 they are pre-set to our gap. Otherwise you should confirm/adjust the gap. If I recall our gap is .43 but double check your manual.

I installed the NGK iridium spark plugs are they pre gap from factory?

I ordered the BKR5EIX-11 so the 11 at end means it's pre gap?

There's also one with no 11 at the end. BKR5EIX, I'm confused lol.

I looked for 1nzfe engine spark plug code it's listed as BKR5EIX with no 11 at the end.

junorico24 · 12-31-2014, 08:25 PM

Decided to change the battery it didn't really get rid of the wrrrrrrrrrrr sound and hesitation on start up.

So i changed the coil pack

and behold it seems to cure it also the ride is better so far less jerk on take off and better pick up.

Spark plug change to iridium BK didn't do much either except improve the mpg slightly.

12-25-2014, 01:00 PM	#1
MUSKOKA800 Drives: Scion FRS RS2, ‘21 Crosstrek Join Date: Oct 2008 Location: Chatham, Ontario, Canada Posts: 1,729	If the NGK plugs number ends with the suffix -11 they are pre-set to our gap. Otherwise you should confirm/adjust the gap. If I recall our gap is .43 but double check your manual. I installed the NGK iridium spark plugs are they pre gap from factory?[/QUOTE] __________________ TRD Upgrades: 18" Wheels wrapped in 215/35/18 PZero's, Sportivo Shocks/Struts, Lowering Springs, Swaybar, Axle-Back Exhaust, Oil Cap, Rad Cap, Signage. Aftermarket Goodies: Piggies SS, K&N Drop-In, Blitz S/C, DC Header, NST Pulley) Toyota Options/Accessories: Sport Pedal Covers, Sport Shift Knob, Ipod Interface, Summer Mats, Winter Mats, Cruise Control, Auto-Dim Mirror, Echo steelies with winter boots.

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12-31-2014, 08:25 PM	#4
junorico24 Drives: toyota yaris yrs Join Date: Jun 2007 Location: Sydney Posts: 642	Decided to change the battery it didn't really get rid of the wrrrrrrrrrrr sound and hesitation on start up. So i changed the coil pack and behold it seems to cure it also the ride is better so far less jerk on take off and better pick up. Spark plug change to iridium BK didn't do much either except improve the mpg slightly.