ecu problems
Thread Starter
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Junior Member
Joined: Sep 2009
Posts: 19
From: albuquerque, new mexico
ecu problems
this is kinda a shot it the dark but i need help. i did a mini me swap with a d15 block with a d16y8 head. i have the new ecu to run the vtech. now my problem comes in with the new ecu i have try like 10 base map and none of them run right. i was told and read that is is a p28 base map and it sould run like a dream with vtech. with all the base maps the is a massive fuel and air dump and the rpm will not exceed 4000. the stock ecu runs fine but no ecu no vtech. i have a push button vtech hooked up and i works . i just want the ecu to run like it should. i have checked my wiring 5 times and no fuses are poped. i have tryed a 2nd p28 ecu samething happens. i am using chome to burn the chip. idk what the hell is going on has any been here b4 with a mini me swap. i just need some help
Recognized HCF Member
Joined: Jun 2007
Posts: 10,023
You need to calibrate the ECU for a 1500 cc engine not a 1600. Changing the head does not change the displacement of the engine. A stock P28 assumes the engine is 1600 and will give it too much fuel.
Last edited by mk378; Oct 19, 2009 at 04:27 AM.
Chubby Chaser
Joined: Dec 2007
Posts: 4,681
From: whitwell,Tn 37397
yeah thats not it, 1.5 and 1.6 have the same basemap, i ran a p28 on my d15z1 without any problems and got 46 mpg.
Thread Starter
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Junior Member
Joined: Sep 2009
Posts: 19
From: albuquerque, new mexico
you i pull the oil jet pulg and i did a push button vtech and the vtech hits but the ecu just wont hit idk what is up. like it runs soooo rich and bogs and wont rev past 3 or 4 grand. i can try the cc thing but the p28 base map should be plug and play
Chubby Chaser
Joined: Dec 2007
Posts: 4,681
From: whitwell,Tn 37397
i think you have a friend or something giving you bad info..
its vtec not vtech, vtech is a name of a phone, also the d15 non vtec dizzy will not match bolt holes up to a 1.6 vtec head.
now if you have a cel on the ecu will not engage vtec so do you have a cel on?
its vtec not vtech, vtech is a name of a phone, also the d15 non vtec dizzy will not match bolt holes up to a 1.6 vtec head.
now if you have a cel on the ecu will not engage vtec so do you have a cel on?
Trust and 94chb have the right idea. Here's your problem: a car ECU isn't made to run a phone. If you pushed buttons on the phone to retrieve a CEL, you probably gave it a CEL instead. That will definitely make it run "grate" and could lead to the problems you are experiencing.