[Help] NGK Spark Plug - BKR5ERX-11P

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Could try a NGK IFR5T11.

Best to get the thrown codes read and post them here for additional help.

How long did the vehicle sit before you drove it again?

 

If that plug was listed in your owners manual you should be good to go.

How many miles on the vehicle, and what make and model of plug did you remove before recently replacing?

 

Buy a code reader then you wont be stuck like this in the future. Amazon.com look up mini vci thats what we all use has factory copy of Toyota Techstream software. $25 last I looked. Or DXDIAG makes a module for Techstream aslo. About $70. I have both they work well.
Full diagnostics including all codes.

The oem plug is a Denso iridium SK16R11. Thats what I use. The factory Denso Cops coil on plugs are expensive. Both are superior products.

 

If replacing the plugs and coils solves your problem, then just consider it a learning lesson. If you replace the plugs and coils and problem still persists, then the garage is pulling your leg

 

tell the shop to give you the code on paper, or you'll tow your car out of there and tell everyone you know that the shop is dishonest. if someone told me that crap about "I wouldn't understand the code", I'd cuss them out bad.

 

They should give you the numeric or alphanumeric code or codes, not just their own explanation of the meaning.

 

Most people just use what is recommended in the owner's manual which is either

• Denso SK16R11 (Iridium); or
  
• NGK IFR5T11 (Iridium) ($7.89)

I just looked up a NGK cross reference and you could also use the following NGK plugs:

• BKR5EIX-11 (Iridium) ($7.44);
  
• PFR5G-11 (Platinum) (11.46);
  
• BKR5ES-11 (Standard) ($1.99);
  
• BKR5E-11 (V-Power Plug) ($1.99);
  
• BKR5EGP (G-Power Plug) (2.79).

The last three plugs are cheap and will not be long life, so would recommend not using them, unless you what to be replacing your plugs every 30,000 mi.

The first 2 above would appear to be a good alternative, however, as there is not much difference in price between the 2 iridium plugs, I would just use the recommended plug.

Whether using the BKR5ERX-11P caused damage to the coils is hard to say, but it would seem these are not recommended replacement nor are they iridium long life plugs.

 

As others have suggested, use the specific plug called for in the owner's guide for YOUR car (market).

Sparkplugs are not like soda straws, which may look a little different, might be slightly different in length and diameter, but all work equally well for sipping your drink. Even minor differences in resistance, thread coating, tip material and most importantly heat range can wreak havoc on a modern computer controlled engines and in rare cases actually do damage (too hot can cause rapid overheating).

There is no code (DTC) for a failed coil, so them saying that is hogwash. Now, could the coil circuit be open, shorted etc? Sure, but that does not condemn the coil itself as there are many other possible causes (various wiring deficiencies).

The MOST LIKELY cause of your woes is either a coil connection that did not get completely snapped in, or a broken/torn/electrically degraded coil boot causing the "spark" to not make it to the plug. Both are simple and quick fixes.