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92 Civic/B16 swap - 2K rpm cold idle, low warm idle and cuts off

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Old Nov 21, 2014 | 12:28 PM
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Default 92 Civic/B16 swap - 2K rpm cold idle, low warm idle and cuts off

Car is a 92 Civic hatch - obd1 - b16 - head work and cams

Car ran fine till one day starting it up. Idled around 2k as it warmed up it idles down and cuts off within 2-3 minutes. Car has a new oem idle air control, coolant bled proper. Car is tuned on crome and made 200 whp. car has a new dist. as well. car has no 02 sensor - deleted. ran fine up till this point and was tuned without one (wideband in tailpipe on dyno).

suggestions?
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Old Nov 21, 2014 | 02:01 PM
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Default re: 92 Civic/B16 swap - 2K rpm cold idle, low warm idle and cuts off

Check grounds for corrosion?
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Old Nov 21, 2014 | 03:46 PM
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Default re: 92 Civic/B16 swap - 2K rpm cold idle, low warm idle and cuts off

So you started it cold.idled high then slowly worked down and shut off?

Or it started high then just shut down?

Did it bounce arounda bit first? Will it run at all now?

Check all vacuum hoses pcv fitvs and timing is always good to check

Might be good to check the tps as well
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Old Nov 21, 2014 | 03:58 PM
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Default re: 92 Civic/B16 swap - 2K rpm cold idle, low warm idle and cuts off

Time to start checking for vacuum leaks.
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Old Nov 21, 2014 | 08:59 PM
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Default re: 92 Civic/B16 swap - 2K rpm cold idle, low warm idle and cuts off

Try adjusting the idle speed. Any CEL codes?
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Old Nov 25, 2014 | 09:30 AM
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Default Re: 92 Civic/B16 swap - 2K rpm cold idle, low warm idle and cuts off

Looking at a tps sensor. Owner found a thread related to it.....I will also give him the suggestions about a vac leak. Thanks!
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Old Nov 25, 2014 | 09:31 AM
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Default Re: 92 Civic/B16 swap - 2K rpm cold idle, low warm idle and cuts off

Originally Posted by 92ehatch
So you started it cold.idled high then slowly worked down and shut off?

Or it started high then just shut down?

Did it bounce arounda bit first? Will it run at all now?

Check all vacuum hoses pcv fitvs and timing is always good to check

Might be good to check the tps as well

Idles normal cold idle, then as it warms up it idles lower and lower till then it cuts off.
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Old Nov 26, 2014 | 04:47 AM
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Default Re: 92 Civic/B16 swap - 2K rpm cold idle, low warm idle and cuts off

A vacuum leak does not cause a low idle problem.

Did you adjust the idle speed as per service manual instructions?

CEL codes?
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