Phearble.net ECU Idle Problem
08-09-2006, 10:55 PM
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Phearble.net ECU Idle Problem
I've got a stock B18B (OBD2B) in my 97 Civic. The car ran fine, if not a little rich on the stock P75. I now have a Phearable.net P06 chipped with their standard LS map. Car runs great, except ....
When cold, I have a fluctuating idle. It bounces between 1800 and 600. When it drops below 1000, the car sputters, and almost dies, lights dim, that sort of bs. When the car gets to temp, the idle rests neatly at around 800, where it should be.
There were absolutely NO problems with the P75 .....
Any sugguestions?
When cold, I have a fluctuating idle. It bounces between 1800 and 600. When it drops below 1000, the car sputters, and almost dies, lights dim, that sort of bs. When the car gets to temp, the idle rests neatly at around 800, where it should be.
There were absolutely NO problems with the P75 .....
Any sugguestions?
08-09-2006, 11:03 PM
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John mentioned the IACV ... but I didn't want to mess with it, because it's not bad when warm, it's perfect. I don't want to expletive up the normal op idle.
08-09-2006, 11:07 PM
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Re: (Luserkid)
I guess I don't understand the concept of a valve being the problem .... only when the motor is cold..... if something is broken or hindered, it's just that. It doesn't fix itself when the car gets to normal operating temps. If it was the IACV, it would have been a problem with my OBD2 P75.
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08-09-2006, 11:17 PM
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Re: (Luserkid)
is your purge solenoid still hooked up. I unhooked the line fromt he intake manifold to the pruge soleniod and it smoothed out cold idle a bit since obI doesnt "understand' it i guess
08-09-2006, 11:20 PM
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Re: (Eran)
mine still sits on the fuel rail, the plug is plugged in, i just capped the nippleon the mani and on the purge solenoid and let the other line run to the charcol canister
08-09-2006, 11:23 PM
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Re: Phearble.net ECU Idle Problem (Eran)
I had a friend hat had the same problem, his old ecu ran fine but his new one did that, he put his stock back in and it still did it. When he put the new ecu it (new one) had a bent pin, which screwed up the harness, fixed it and was fine, it just bibnt occure to him to look. I don't know why his idle surged on a cold motor but it did. Its worth looking.
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