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

So I spend the morning doing the TPS adjustment...

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Old Mar 22, 2003 | 10:22 AM
  #1  
$100T2's Avatar
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So I spend the morning doing the TPS adjustment...

And it STILL won't idle for ****.

The TPS readings were all fine... 1k at closed throttle, 4.30 at WOT. What the hell???

I'm buying an engine from BNR, but that is two months away... I want the damn thing to run right until then. Any ideas?
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Old Mar 22, 2003 | 10:44 AM
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Amur_'s Avatar
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From: Kitchener, Ontario (Hamilton's armpit)
Have you checked your BAC to see if it's good?

Some people are reporting that fixing the BAC's ECU transistor has rectified their idle probs...

http://www.teamfc3s.org/forum/showth...&threadid=1998


Just a thought.

Have you checked for engine codes yet?
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Old Mar 22, 2003 | 10:44 AM
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Aaron Cake's Avatar
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From: London, Ontario, Canada
Standard stuff. Vacuum leaks, fouled plugs, BAC valve. Try searching for "idle problems".
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Old Mar 22, 2003 | 11:52 AM
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HAILERS
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From: FORT WORTH, TEXAS,USA
*****And it STILL won't idle for ************

What are the characteristics of *won't idle for ****?*

1. Idles real low and bumpy???
2. Dies at idle???
3. Rocks and rolls at idle?
4. Is the idle/non idle below 750rpm?
5. Do you know where to buy Starter Fluid?
6. Do you know that rotors with unequal compression will cause an erratic idle?
7. Are you familiar with the variable resistor? 88 and under cars.
8. What happens at idle when you insert the Initial Set Jumper???
9. What happens when adjusting the bac screw?
10. You know that the inlet duct from the afm to the turbo likes to develop a crack where it joins at the turbo? Under the clamp?
11. You know that if the antiafterburn diaphram/valve/poppet in the acv deteriorates, that it WILL let unauthorized air into the inlet and screw up the idle?
12. You know about: http://www.iluvmyrx7.com
https://www.rx7club.com/forum/showth...hreadid=163732
http://www.teamfc3s.org

Last edited by HAILERS; Mar 22, 2003 at 11:58 AM.
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Old Mar 23, 2003 | 12:10 PM
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$100T2's Avatar
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It "idles" at 1300 rpm, then dies. It's almost like fuel starvation, however, it runs rich. I changed the plugs at the same time, which seems to handle my "won't restart when hot" problem. I have no idea what/where the antiafterburn diaphram is. Any other help?
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Old Mar 23, 2003 | 12:36 PM
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HAILERS
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From: FORT WORTH, TEXAS,USA
Pull the plug off the bac when the car is *idling* and tell us if the idle changed.
We KNOW that you have already checked the throttle cables for some slack, right. So pull the bac plug off and tell us what happened if anything.;

Other help:http://www.iluvmyrx7.com
https://www.rx7club.com/forum/showth...hreadid=163732
http://www.teamfc3s.org

Free factory service manuals with pictures. Fuel Secton
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