Don't use Bosch sparkplugs

I'm only shifting the blame to where it belongs the "Big Three" are responsible not Bosch. The pump was designed and built for the European Market and the Big Three decided to use it in their trucks.

Placing the blame where it belongs is fair. " Fighting denied warranty claims. Lost wages if they needed their truck to earn a living. Ruined vacations if they needed their truck to tow their trailer. " All of these things fall squarely on the big three automakers.

 

Think about this, Toyota used two different makes of plugs from the factory and it seemed to run just fine yes? A spark plug is a bone simple device any quality plug should work just fine, High end MB, Bosh plugs, performance BMW's Porsche etc. Bosch plugs GM AC Delco blaming a miss fire on a plug attached to a bad coil pack is some kind of stupid.

 

2 replacement items I avoid from Bosch when it comes to the Tacoma, spark plugs and O2 sensors. Always go with Denso. If your truck has been running fine on OEM parts for XXX miles, why go with any other replacements than OEM. Well, except for wheel bearings.

 

So why not the NGK's? You know the plugs on the other side? If you mixed them up do you think you would notice a difference?. I agree with emission related parts because that's all interrelated. Air filters spark plugs fuel and oil filters not so much. Then there is "my truck feels better" when did trucks develop feelings?

 

Why wouldn’t you just use OEM plugs in the first place?

 

Yeah Bosch plugs are shit, Fords run like shit on Bosch plugs as well.

 

Reminds me of long ago hearing Champion plugs weren't good in GM vehicles. Not sure of why, this was about 30 yrs or so ago..

 

I have about 9,000 miles on Bosch Double Iradium #9613 plugs that I installed on my V6 4.0 Absolutely no issues. I’ve also heard that they’re counterfeiting plugs and people have had issues with the Bosch made in China, my were authentic and not made in China.

However, if I could do it again I’d go with the Denso coppers because that’s what it calls for and I actually prefer the shorter change schedule on account of my OCD. I’ve been working on my own cars for almost a 30 years and early on I just assumed OEM parts were a markup and a rip off so I always went with aftermarket, but as I got older I usually only go with OEM on my vehicles because my Toyota dealer has great pricing and the OEM parts are usually manufactured in Japan or USA. My wife and I have take home work cars so we don’t put a lot of miles on our vehicles and most vehicle plugs call for 100k mile replacement intervals...last time I changed plugs was in 1994 on my Ford Bronco, which I believe were Bosch. Anyway I’m rambling on, next change I’ll be using the Denso’s, ya can’t beat $2.88 a plug.

 

Denso Irridiums were fucking $22 EACH at my dealer. Rock Auto was $8 and change

 

Damn! Yeah I really lucked out with a great local dealer, my wife’s Nissan on the other hand, all the local nissan dealers suck with their prices and they don’t have online ordering either.

 

When I was a boy Fords used Motorcraft GM used AC Delco Chrysler used Champion and the jap stuff used NGK or Denso, but then again I was trained to install points and condensers too common sense however dictates if you are using the right heat range and and reach and type called for then why would there be a problem? Do you think your engine can tell one brand from another? Please explain how that works. Anybody?

 

Ahhhhhh, the nostalgia and memories of points and condensers don't forget little pill capsule of grease. Hehehe. I get your point about heat range, depth etc and also everyone else who mentioned the coil being the real issue. I just have 1x experience and a friend as well not like that Bosch plug. Just a different design. Didn't like it. If I could I would post a picture. JM experience

 

You'd be surprised on keeping up with your scheduled maintenance plug replacement goes hand in hand with your coil pack life. Good plugs means happy coil packs. Bad plugs and your coil packs have to work overtime. Always what I've heard and haven't had a problem yet. (Not saying you weren't keeping up with your routine maintaince OP)

 

Of course, the dealer plugs come in Toyota boxes, that means Toyota put 300% markup on them, then the dealer put its 40% markup on them... The benefit is your dealer typically has them in stock so you don't have to wait for shipping.

 

$22 each is bullshit. I got a set of 6 plugs from my local dealer for something like $32 for the set of six.

 

NGK's for me every 30K. Years ago my step-dad gave up on a Buick Opel. He would put new AC plugs in it and a few days later the engine would start missing bad. He gave me the Opel (yea, I was broke at the time) and I switched to Champion plugs and got another 25K trouble free miles out of that little 4 banger.

 

Yep. I think I paid under $30 for a set from the dealer too. I’m not believing his claim...

 

Were those Iridium tipped Spark Plugs?

If so that was a good price, Iridium plugs usually run between $8.00 to $10.00 dollars each. Where Coppers usually go for about $3.00 to $4.00 dollars each.

I do agree that $22.00 each is insane unless that was parts and labor each, which is about normal for installing 6 plugs.

22.00 x 6 = $132.00

 

I’m not sure what kind they were. I asked for OEM plugs, they were the typical Denso for a 4.0 2nd gen at the time

 

Then you got the basic "copper" plugs which are much cheaper at the dealer. However, the iridium plugs last 3 times as long (so the change interval can be stretched from 30k to 100k).