2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

What should idle sound like?

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Old Feb 5, 2006 | 05:09 PM
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rx7idgit's Avatar
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From: College Station, Tx
What should idle sound like?

Do these things kinda sound like there missing right after crank up when cold? Doesn't do it so much when it's warmed up, and you wouldn't know it was doing it except for in the exhaust, like the motor doesn't seem to miss a beat at all. Just wandering, thanks!
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Old Feb 5, 2006 | 05:44 PM
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Alex6969's Avatar
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its the extra fuel being dumped in when its cold, not a real problem. Mine does this too, sounds fine when she warms up
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Old Feb 5, 2006 | 05:48 PM
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exactly, sounds like bap....bap....bap. and smooths out when it warms up. Thanks man.
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Old Feb 5, 2006 | 05:56 PM
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Probably just needs a tune up. A lot of 2nd gens are doing this as their sensors and injectors age.
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Old Feb 5, 2006 | 06:22 PM
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Originally Posted by Aaron Cake
Probably just needs a tune up. A lot of 2nd gens are doing this as their sensors and injectors age.
Yeah, I don't remember mine doing this. It started and ran fine even before it was warmed up. It didn't like starting when very cold, but the cold start assist was disabled by the P/O.
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