Single Turbo RX-7's Questions about all aspects of single turbo setups.

No boost, backfiring, black plugs, need help!!!

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Old 03-08-08, 10:54 PM
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Angry No boost, backfiring, black plugs, need help!!!

I have a 2nd generation Rx7 that is dying on me, and I don't know why. The boost is gone, it feels like I'm driving a old civic or something, there is no thrust, nothing pushing you in your seat. The car also backfires a lot, not to mention turning plugs black like it's its job. Just wanting to know some possible problems, and descriptions of how to look for them? I have read some things online, that say it may be an open wastegate? Not sure where I'd find that? Or boost leak? Or a clogged cat converter?
Old 03-09-08, 04:52 PM
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might be better to post this in the 2nd gen section unless you have a big single turbo and standalone engine management
Old 03-09-08, 07:00 PM
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Ignition..
Old 03-09-08, 07:56 PM
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Hey, just wondering why it would be the ignition?
Old 03-10-08, 04:20 PM
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Originally Posted by arghx
might be better to post this in the 2nd gen section
haha

he posted there first
Old 03-19-08, 05:55 PM
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Originally Posted by G's 3rd Gen
Ignition..
I second that. Make sure everythings firing properly.

get a voltmeter, timing light and a factory service manual (or find one online) and go to town.
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