P30 Ecu making my del sol idle irregular
12-20-2011, 09:05 PM
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P30 Ecu making my del sol idle irregular
I have a 94 del sol vtec stock b16a3.....car was running and idling perfect till one day I pushed started it when my battery died and had no cables. Ever since then it started reving up and down between 1000-1500 rpm sometimes even dies on me.... Car still runs and hits vtec perfect but at idle it bounces up and down....I did a full tuneup , it got a little ether but didn't go away....yesterday I let my friend borrow my p30 Ecu for CA reff, and I borrowed his p72 gsr Ecu and it fixed the problem, when u put the p30 back on the problem returned, my question is there a way to fix the Ecu? Nothing smells burnt or anything, I know these are rare and expensive so I'm trying to go the easyiest way out .any help will be appreciated
12-20-2011, 09:26 PM
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Re: P30 Ecu making my del sol idle irregular
I have a 94 del sol vtec stock b16a3.....car was running and idling perfect till one day I pushed started it when my battery died and had no cables. Ever since then it started reving up and down between 1000-1500 rpm sometimes even dies on me.... Car still runs and hits vtec perfect but at idle it bounces up and down....I did a full tuneup , it got a little ether but didn't go away....yesterday I let my friend borrow my p30 Ecu for CA reff, and I borrowed his p72 gsr Ecu and it fixed the problem, when u put the p30 back on the problem returned, my question is there a way to fix the Ecu? Nothing smells burnt or anything, I know these are rare and expensive so I'm trying to go the easyiest way out .any help will be appreciated
I honestly don't know if your P30 can be fixed. I picked up a used P28 for next to nothing, after the dealership wanted over $800 for a new one. I imagine a P30, mated to a B16 motor, will cost a bit more brand new.
12-21-2011, 05:02 AM
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Re: P30 Ecu making my del sol idle irregular
i have a swapped d16z6 with p28 in my del sol as well. can't figure out why the idle is bouncing too. i have unplugged the IACV and now it runs great but with a CEL..think i should try swapping a p28 in? i hope thats the answer
12-21-2011, 02:10 PM
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Re: P30 Ecu making my del sol idle irregular
The P30 and P72 ECU's use completely different idle routines / coding within the ECU's rom. More than likely it is an issue with your IACV or FITV than the ECU itself..
12-21-2011, 03:44 PM
#6
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Re: P30 Ecu making my del sol idle irregular
True, I didn't mention that, but I did clean it , I actually stripped my whole intake manifold, throttle body and cleaned the **** out of it and it still idles bad...would a p72 Ecu work to pass smog on my b16? That's the only thing I'm really worried about right now ,since the p30's are running pretty rare now and pricey
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