CEL on my "new" '99

You trying to jinx me or what? :wink: Last weekend I re-cleaned the intake and the infamous EGR port (a piece of weed-eater line works great BTW) while going thru a few cans of throttle-body cleaner.

Disconnected the battery before I started and reconnected after I finished. I've put around 150 miles on the car since, and so far so good. No CEL at this point! 8) I did run the continuity check on the EGR valve itself and it was fine.

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Originally Posted by sammm

You trying to jinx me or what? :wink: Last weekend I re-cleaned the intake and the infamous EGR port (a piece of weed-eater line works great BTW) while going thru a few cans of throttle-body cleaner.

Disconnected the battery before I started and reconnected after I finished. I've put around 150 miles on the car since, and so far so good. No CEL at this point! 8) I did run the continuity check on the EGR valve itself and it was fine.

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In your opinion, if the EGR check was OK, how does that jive with 'excessive EGR flow'? Any thoughts?

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Originally Posted by joe.MIATA

Quote:

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Originally Posted by sammm

You trying to jinx me or what? :wink: Last weekend I re-cleaned the intake and the infamous EGR port (a piece of weed-eater line works great BTW) while going thru a few cans of throttle-body cleaner.

Disconnected the battery before I started and reconnected after I finished. I've put around 150 miles on the car since, and so far so good. No CEL at this point! 8) I did run the continuity check on the EGR valve itself and it was fine.

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In your opinion, if the EGR check was OK, how does that jive with 'excessive EGR flow'? Any thoughts?

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The EGR valve itself was OK (I figured it was worth checking while I was at it). According to the :batman: board, a P0402 code reflects the EGR port that runs thru the inside of intake is blocked, so that is what I concentrated on.
See this if you are interested - http://www.miata.net/garage/egr.html#egr