Misfire Cylinder 6 (Fixed) - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 07-12-2007, 09:29 PM   #11
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***Ducks and covers***
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Old 07-12-2007, 09:46 PM   #12
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LOL, let the flaming begin
The Bosch Plats I just replaced was installed when I bought the car on 5/05 at 128K miles (thanks to GXP_Vince for getting me the Carfax)

The car just passed 150K and they looked pretty good to me. But I had a new set in the trunk for the last year so I figured I would change them with the Fuel pump,

(however I will agree with all that said changing the fuel pump relay was a waste of money )
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Old 07-12-2007, 09:52 PM   #13
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I saw online they are only $25 so I went to Autozone and got a new one. That fixed it!

Thanks BC!
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Old 07-12-2007, 09:58 PM   #14
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congrats on finding than fixing the prob.
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Old 07-12-2007, 09:59 PM   #15
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Quote:
Originally Posted by markkleb
Quote:
Originally Posted by BillBoost37
Mark... unfortunately in a waste spark system (our cars) even Bosch themselves admitted their plugs do not hold up well. While I will be the last to merely beat down one brand or anything like that (especially when you see the name on the fuel rail and many other placed under the hood), bosch plugs are simply asking for issues a few months down the road.

Another item to check is ensure the plug wire isn't touching the exhaust or the O2 wiring.
I read the BVille post about the Bosch plugs and it made me chuckle. It reminds me of posts from other forums others have made where they claim to be experts saying silly things.

I use them with great luck since I bought my BVille. Everyone is entitled to their opinions so rather than issue a blanket statement thats silly I try to keep an open mind.
Well, I have to say I'm really happy for you. Of course your single success story outweighs the tremendous amount of research different members of this Forum invested in trying to find out why Bosch Plats had such a high failure rate in so many cars on this Forum over the last 5 years.

We'll all go out and buy them now because your positive experience obviously outweighs the collective investigation tactics and actual real-world experience in 8000 members and 5 years on this Forum.

I didn't believe it either in the early days of the Forum when I first joined in 2002. I'd had a bad experience with them on a Cutlass Ciera I owned (same waste-spark ignition as our cars), but figured I'd give them a try since the car had been garaged for 5 years before I bought it, and run very infrequently (5k miles in 5 years). So I got the Bosch Plats against the advice of the early members of this Forum.

I replaced them with NGK'* less than 2 months later. As have MANY other members here. We've had some recent instances of 30-day failures that solved misfire problems posted by simply changing from the Bosch. I could tell you stories on and on.

Thank you for sharing your positive experience, but I can tell you from our collective experience, knowledge, and research, you won't find a Gearhead on this Forum, or any other veteran member (free-thinkers capable of forming their own opinions) that would suggest Bosch Platinums under any circumstances unless they were the only spark plug available on the face of the earth.

Here, have a Yahoo search result page for "Bosch Waste Spark".

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Old 07-12-2007, 10:14 PM   #16
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I suggest aginst Bosch plugs in any GM application... Even the HEI'* on the Chevy V8'* eat Bosch Plats.... we laugh every time we see Bosh Plats in a GM.... The waste spark system is very hard on the plugs..

The 3 things we steer clear of here are Bosch Plat Plugs, wires and O2 sensors..

Now with that in mind, we do have both Bosch Fuel system parts on our cars... I have no issues or complaints there...

For those of you out there reading this, Please do not use Bosch Plats or Bosch O2'* in a 3800 GM product, or any GM product for that matter..

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Old 07-12-2007, 11:28 PM   #17
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I read the threads, and im sure I did not get a "Miracle" set of plugs. Is there any real proof they dont work other than a few peoples say so?

This is one of my favorite detractors of Bosh Platinums, lol

QUOTE:
put the same plugs it my 1995 ta. i drove it 300 miles and broke the crank and a rod in half and riped the main off of the block. i only had 40,000 miles on the motor.the motor was stock i talked to about three performance shop and they said that the plugs is what blown my motor. they said that the pluge hold heat and made my motor fire early and blew up the motor
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Old 07-12-2007, 11:41 PM   #18
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You are obviously of profound wisdom and intelligence. Irregardless or the garbage posted all over the internet, you have still trumped our own PERSONAL collective experience with Bosch Plats in our own cars.

You richly deserve a big pat on the back for this. Please put your miracle plugs on eBay so we may all bid on them.

It'* amazing how your amazing 6 spark plugs instantly wipe out all the low mileage Bosch failures we've had over the last 5 years. Truly astounding.

I don't know how to thank you.
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Old 07-12-2007, 11:43 PM   #19
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your pettiness shows you up. Dont be mad because someone other than you has a different opinion.

and you are welcome.
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Old 07-12-2007, 11:47 PM   #20
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Once upon a time SSEimatt93 ACTALLY drove a 93' SSEi. I purchased Bosch Platnium 4'* spark plugs and installed them. Car ran wonderfull, finer than frogs fur for a collective....three months or so.....then the idle was jumpy, car became sluggish...to my dismay it was those plugs that were new that I had just installed months before. I purchased ACDelco copper cheapies...those plugs went with the car when I sold it over a year later..I have never had an issue with an NGK or Delco plug, however, I like many others on this forum have had issues with Bosch plugs and the GM waste spark system and simply choose not to waste my money on them at all.
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