Bosch Platinum +4 Spark Plugs

[discodave]

Hi all,

I wanted to know if anyone has had any experience with the Bosch Platinum +4 spark plugs (the 4 electrode platinum plugs).
I remember some time ago i installed the regular 4 electrode plugs on my old car and they were great.

I am curious as to how these would perform on the MPS as the benefits are supposed to be best for performance oriented cars.

My car is currently getting crappy mileage (although i did replace the plugs recently with Denso ones) so I am considering giving these 4 electrode platinum bosch plugs a try.

Cheers

[lup15]

can't comment on the plugs, but bad mileage can be caused by a lot of different things. You should do a log to see if anything looks abnormal. What exactly you should log I couldn't say. Hopefully other tech heads can chime in

[dazza]

Hi all,

I wanted to know if anyone has had any experience with the Bosch Platinum +4 spark plugs (the 4 electrode platinum plugs).
I remember some time ago i installed the regular 4 electrode plugs on my old car and they were great.

I am curious as to how these would perform on the MPS as the benefits are supposed to be best for performance oriented cars.

My car is currently getting crappy mileage (although i did replace the plugs recently with Denso ones) so I am considering giving these 4 electrode platinum bosch plugs a try.

Cheers

Last thing I heard was to stay away from Bosch plugs. Denso or NGK are your best bet.
I don't have the best fuel economy lately either (15l but city only driving - Melbourne and I WOT a fair bit).
Try NGK plugs and clean your MAF.

[discodave]

Interesting.
I have heard bad things about the bosch plugs but would still be keen to hear other peoples feedback if anyone has actually used the 4 tip platinum's in an MPS.
I did notice an improvement in economy when i installed them on my last car (could have also been due to the previous spark plugs being fouled).

I am getting 16L/100k and i do drive gentle (mostly), mostly city driving, with no mods to the car, and i use 98RON bp ultimate.
My research indicates i should be getting closer to 11 or 12L/100k.

I have recently cleaned the MAF/IAT and replaced the air filter. The plugs were replaced with DENSO's about 5k ago.

I have an OBD bluetooth connector so will see what kind of stuff i can read with my android phone. (i know i can read CEL codes but cant remember if i can get live sensor data to see what the O2 sensors are doing etc.).

[lup15]

you could also try resetting the ecu so that it can learn fuel trims again. if you have an OBD reader, download Torque for andriod. I use it and its not too bad for basic diagnostics.

[discodave]

thanks lup15.
I have recently reset the ECU so am waiting to see if that will make a difference.
Any idea how long it usually takes the car to learn the fuel trims?

I also have the android torque program, havent played around with it much apart from using it for CEL codes.

[lup15]

roughly 100kms I guess