I need Help please.

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I need Help please.

Postby MrClark » Fri Dec 15, 2017 1:06 am

Hi guys
I feel a very slight tremble thru my steering wheel while at idle. My H3 runs just fine. So I figured I should just clean my MAF sensor
and my throttle body. which I did. Now 2 years ago I installed the NGK iridium laser spark plugs. They say the plugs are good for 100K miles
Should believe this statement and change the spark plugs? or can it be one of the coils ? I would really appreciate the advice. Please
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Re: I need Help please.

Postby speedy » Fri Dec 15, 2017 11:54 am

Go back to stock Acdelco plugs and run a large bottle of techron fuel system cleaner through the tank. H3's seem to be a little finicky when it comes to spark plugs
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Re: I need Help please.

Postby Mark » Fri Dec 15, 2017 4:52 pm

As Speedy said go back to the stock plugs. Many have tried higher end plugs in their H3s and they just didn't like them.
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Re: I need Help please.

Postby MrClark » Fri Dec 15, 2017 10:07 pm

Ok But I've had these plugs in for 2 years and my H3 worked excellent. But I think you guys are right because the tremble
doesn't happen often it's wierd!!!
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Re: I need Help please.

Postby Mark » Mon Dec 18, 2017 11:43 am

Let us know if it makes a difference.
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Re: I need Help please.

Postby MrClark » Wed Dec 20, 2017 11:53 pm

Let us know if it makes a difference.

Well because the auto parts does not accept returns on electrical parts, I installed the E'3s I bought.
the tremble has calmed down alot. Wow I'm amazed. I figured to get thru the winter with them. I also took
the NGK's I removed to my mechanic..and he stated that the rice plugs stopped firing hot enough for
proper combustion that was the reason for the tremble. don't buy them again!!!
So i drove my truck for about 100 miles and she's running great!
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Re: I need Help please.

Postby Mark » Fri Dec 22, 2017 9:37 am

That is great to hear. Glad everything is good again.
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Re: I need Help please.

Postby MrClark » Fri Dec 22, 2017 9:30 pm

[quote="Mark"]That is great to hear. Glad everything is good again.

Thanks Mark you know I was ridiculed in another hummer forum by a moderator. because I installed my E3's
after the holidays left me broke unable to buy ac delco plugs. Go figure. Happy Holidays!!!!
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Re: I need Help please.

Postby Mark » Tue Dec 26, 2017 1:49 pm

That is ridiculous, sorry to hear you were treated that way.
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