Tuned or not?

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Nov 15, 2010 | 12:49 AM

#11

sleeper

Platinum Member

Joined: 01-09-2007

Posts: 16,081

From: SE USA

Quote:

Originally Posted by Officer1151

It sounds like you have a cylinder missing due to a crossed wire..

Hard to cross a wire on Coil-Packs, that go directly onto the s plug..

Nov 20, 2010 | 07:06 PM

#12

Don06

Senior Member

Joined: 04-14-2010

Posts: 432

From: Wisconsin

I haven't had any CEL but my HHR runs much better on premium fuel without alcohol. I have to go ten miles out of my way to buy it but it also seems to be worth 2 mpg.

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