fooling ecu into thinking its safe to engauge vtec - D-series.org

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Old 01-25-2006, 09:25 AM   #1 (permalink)
 
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Default fooling ecu into thinking its safe to engauge vtec

what do i have to do ecu is a obd1 chipped p28
im selling car i just need to prove to new owner that the engine runs properly
in high cam

new info

i have a 95 gsr motor im parting it out my neighbor wants the head.I cant get vtec to accuate. he said he just wants to make sure the lmas and or rockers arent bad and this is the only way to do it. im in no way ripping someone off or being shady

Last edited by gotboostedeg; 01-25-2006 at 11:53 AM.
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Old 01-25-2006, 10:06 AM   #2 (permalink)
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why doesn't it, in the first place?
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Old 01-25-2006, 10:13 AM   #3 (permalink)
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So does it??
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Old 01-25-2006, 11:00 AM   #4 (permalink)
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I didnt even understand what he was asking? Punctuation would help!
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Old 01-25-2006, 11:29 AM   #5 (permalink)
 
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Were not going to give you info on how to make something work, just so you can sell car to rip someone off! PM w/ explanation..
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Old 01-25-2006, 11:54 AM   #6 (permalink)
 
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fixed thank you
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Old 01-25-2006, 11:55 AM   #7 (permalink)
 
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Quote:
Originally Posted by gotboostedeg
fixed thank you
Im confused though, is motor out of car ?? If so Vtec is oil pressure activated, so I dont see how he is going to test Vtec engagment w/out it in car..
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Old 01-25-2006, 12:04 PM   #8 (permalink)
 
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its installed all wires are installed except knock sensor, evap can sensor, and vss because the plug broke <--- this may be my problem i feel dumb
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i installed it in my coupe just to show him it will run but i cant get it to go in high cam and now i look like a fool because he thinks the motor is bad when it ran fine last month
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Old 01-25-2006, 12:07 PM   #9 (permalink)
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Im preety sure no knock sensor and vss could be the issue hook up those two then it should work
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Old 01-25-2006, 12:09 PM   #10 (permalink)
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probably is the VSS, because unless the ECU sees speeds above 15MPH, it's not going into vtec
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Old 01-25-2006, 12:13 PM   #11 (permalink)
 
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ok i have 3 wires and no plug which way do they go lol
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Old 01-25-2006, 03:06 PM   #12 (permalink)
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do you have a chipped obd1 ecu?

connect it, open the stock map for it but click on the engage vtec <20mph and burn the chip.
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Old 01-27-2006, 05:56 AM   #13 (permalink)
 
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hmm its running uberdata ill let you know tonight if it works
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Old 01-27-2006, 10:40 AM   #14 (permalink)
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VTEC requires these things:

Correct coolant temp
Correct oil pressure
Sensors passing the resistance test in the ECU
and last, a speed check.


to see if its working, hook a led up to the solenoid to see if it engages.


PM me if u got any questions...
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Old 01-27-2006, 11:50 AM   #15 (permalink)
 
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cool thank you for these replys
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Old 01-30-2006, 09:28 AM   #16 (permalink)
 
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problem fixed ty
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