2003 EX drivability problems

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08-20-2014

#31

kinakoes2

*watches temp gauge like a hawkboss* :D

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Re: 2003 EX drivability problems

Yeah... that was a letdown when I found this on my EX. They worked like magic in my Toyota Paseo (~+2 mpg), just as well in my '99 Escort SE, and aren't expensive at all (am not the type to buy $1 Chumpion plugs anyway however, given my background.

)

Oddly though other posters' exp here don't agree, when I used the OEM-spec NGKs, they worked like complete and utter ***** (esp off idle, even compared to the Bosch +4 Fusions I'd tried). Only the Densos performed flawlessly...and will for 100K of service life.

Hopefully this fixes it...

Quote:

Originally Posted by Lockjaw

OK I will try the denso's.

I've never had a prob with Bosch plugs. I ran the +4's in my tundra for a long time, now it has iridium plugs though.

I still think its an electronic issue. Some sensor is going bad someplace, and it isn't bad enough to throw a code.