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

HELP! strange Start-up issue

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Old Oct 27, 2007 | 03:27 PM
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Exclamation HELP! strange Start-up issue

Ok so when i start my S4 /na it idles like im chocking the hell out of it but then if i give it a little bit of gas for a while it will make a small poof (small cloud of white smoke)and idle's like normal. I know that the RX7 tend to flood.

here is what i have done.
cleaned the TB
replaced all the vac lines
adjusted the TPS 1K
cleaned the BAC
cleaned the cold start coolant valves
cleaned the EGR valve
the plugs are new and so are the wires
added new grounds to block
RB full exhast header back
RB CAT
new O2 senser

Please help me with this i think it might provent me for getting emissions
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Old Oct 27, 2007 | 04:58 PM
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Anyone with any info?
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Old Oct 27, 2007 | 05:08 PM
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I don't see a New Fuel filter in your List.
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Old Oct 27, 2007 | 05:24 PM
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oh yeah i did put a new fuel filter, pump and lines.
i think i have you guys stumped.
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Old Oct 27, 2007 | 07:48 PM
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anyone? come on this is the all knowing RX7Club forum.
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Old Oct 27, 2007 | 08:04 PM
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Originally Posted by RAWRX7
anyone? come on this is the all knowing RX7Club forum.
We're only all knowing on the weekdays. Just out of curiosity have you checked how healthy the engine is? Compression check?
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Old Oct 27, 2007 | 08:47 PM
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a little smoke is okay on start up, if the smoking gets worse you may have a problem with a seal; but, lets be optimistic and hope it's not. Does it do this whenever you start, or just when the engine is cold?
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Old Oct 27, 2007 | 09:33 PM
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every time i start it. I have not done a compression test the engine should only have less than an 100K miles on it.

the weird thing was that it just all of a suddenly it happen one day.
the one thing i need to do still is the timing but i dont think its off.
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Old Oct 28, 2007 | 03:31 AM
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well get a compression test done regardless if it's the problem or not. It will at least give a clue as to the health of the engine, and put worries to rest or give you something to save up for. If it happens EVERY time, even on starts when it is at op temp. then rules out the thermowax right? So my next guess would be the fuel system.
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