Maintenance and Upkeep Discussion HHR maintenance tips ranging from oil change intervals to brake pads and everything in between.

OEM Plugs or Aftermarket?

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Old Jun 5, 2011 | 04:25 PM
  #11  
Zagohhr's Avatar
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Joined: 06-18-2009
Posts: 856
From: Monterrey, México
Originally Posted by donbrew
FWIW, a friend of mine spent a year and many dollars on P1174, would you believe it was the fuel pump?
Is that,or fouled spark plugs or clogged injectors.
Old Jun 5, 2011 | 04:37 PM
  #12  
jay loukakis's Avatar
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Joined: 10-21-2008
Posts: 1,831
From: hemet, calif.
Originally Posted by donbrew
And the results of the new scan are...? How can one say one is better than the other without a comparative test?
No more codes or missfires, all my other cars have used Bosch Plat.
Old Jun 5, 2011 | 05:51 PM
  #13  
sanmn420's Avatar
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Joined: 08-06-2010
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From: Alabama
Thanks for all the comments. Think I'll go OEM.
Old Jun 5, 2011 | 06:20 PM
  #14  
Greybeard999's Avatar
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From: Ohio
Old Jun 5, 2011 | 06:38 PM
  #15  
BlackknighT's Avatar
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Joined: 08-29-2009
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From: Long Island, NY
On today's vehicles if the vehicle engine designers thought something else was better-they would have had it in there. The newer ecotecs run the best with OEM-like the motor was designed around them. Why waste your time & money.
Old Dec 28, 2011 | 04:41 PM
  #16  
hhrbama's Avatar
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Joined: 09-11-2007
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From: Alabama
Spark Plugs

I am going to add to this thread. I have a 2006 HHR 2LT with 107K miles on it now. Sometime around 75K I took out 4 AC Platinums and put in 4 AC Irridiums. The car ran worse on new Irridiums than with the old Platinums. I checked and re-checked the numbers and the plugs were correct for the application.

I decided to try E3s since I had nothing to lose. They are still in the engine and on a 740 mile one way trip I averaged 31 mpg figured with long division.

I am a believer in OEM AC spark plugs. I just didn't like the way the car ran with the Irridiums in it.

HHR Bama
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