Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

damn idle surging and cold start valve on throttle body question

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Old Nov 4, 2007 | 11:15 AM
  #1  
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Default damn idle surging and cold start valve on throttle body question

Ok .. i was told my map sensor will **** up my idle .. we unplugged it last night and the car stopped surging from 1K to 2K.. but threw chk engine code. I was also told that because im running a P28 unchipped ECU that could also be the issue..

And I went out this morning and i noticed that the cold start solenoid on the throttle body (obd1) that is connected to the throttle cabel spring was cracked and snapped off .. is it safe to drive.? .. its idling the way it usually does and i really dont think this park works anyways so explain to me please?
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Old Nov 4, 2007 | 11:47 AM
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Default Re: damn idle surging and cold start valve on throttle body question (nemisish20)

It would be sweet if you told us what car and engine you have.
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Old Nov 4, 2007 | 11:51 AM
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Default Re: damn idle surging and cold start valve on throttle body question (Archidictus)

u see my sig ! .. lol I got a 1993 Civci hatchback with a B16A obd1 swap.
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Old Nov 4, 2007 | 11:52 AM
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Default Re: damn idle surging and cold start valve on throttle body question (nemisish20)

1.) has the car always done this? If not, when did it start?

2.) why are you running an unchipped P28 with a B16A swap?
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Old Nov 4, 2007 | 01:54 PM
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Default Re: damn idle surging and cold start valve on throttle body question (Archidictus)

Because i have a P72 that was chipped for turbo and we pulled the chip out and the ecu is socketed but i havent had the time to order a chip so im waiting till tomorrow so i can go trade this p28 for a skunk 2 ecu
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Old Nov 4, 2007 | 01:55 PM
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and it started the day we finished the swap ... the p72 made it idle at 3 k with no chip and the p28 gives idle surge
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Old Nov 4, 2007 | 02:29 PM
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Default Re: (nemisish20)

So you know that you have a 100% incorrect ECU and yet you're still wasting our time asking us what's wrong with the car. Nice.

Get back to us when you do the swap properly. If you still have a problem then, we can help you. If not, congratulations.
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Old Nov 4, 2007 | 02:55 PM
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chill ... i was asking if that was 100 percent the issue because i have a few well known HT members telling me that it was part ECU and part map sensor .. i wanted to basically find out shortcuts on how to do process of elimintation on the map sensor,..1
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Old Nov 4, 2007 | 03:42 PM
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Default Re: (nemisish20)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by nemisish20 &raquo;</TD></TR><TR><TD CLASS="quote"> chill ... i was asking if that was 100 percent the issue because i have a few well known HT members telling me that it was part ECU and part map sensor .. i wanted to basically find out shortcuts on how to do process of elimintation on the map sensor,..1</TD></TR></TABLE>

Shortcuts? Maybe that's why your car is ******* up. Listen to Arch, do things properly, and come back when you have a real problem.
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