hi i just put a b16 swap in my eg and i keep gettin cel 22 its the vtec oil pressure switch after i drive it hard and i have replaced that two times and i have changed the oil and rechecked the wires and also checked the the metal screen on the solenoid i even tried to change the head along the o ring around the oil dowl pin to see if that was causing the problem but still no fix it seems i have tried everything i can i also tried a three ecus and still no fix it really sucks to hang with single cam vtecs when i have two cams please help if you can thanks the eg

 

bump bump

 

What model was the hatch before? Make sure all the wiring is correct especially these...

VTEC Solenoid Yellow/Green A4
VTEC Oil Pressure Sensor Blue D6
VTEC Ground Black Chassis Ground

 

yup i checked the wires again and they are fine do yall think it can be my oil pump goin out? im just thinkin about anything now! thanks for the help the eg

 

USDM or JDM engine? And if JDM engine, USDM or JDM ECU?

 

Man I am having pretty much the exact same problem I was gonna start a new topic but I found this when I searched so -

94 DX hatch
00 Si B16
94 GSR ecu

For some reason one of the wires coming out of my ecu plug is a ground for this sensor (according to my buddy K20EG). I have redone this ground as well as the ground wire coming off the sensor itself. My oil level is ok, its actually a little bit above the high mark on the dipstick (could that be the problem?).

Where is the VTEC ground?

I am wondering if my sensor is wired right. On the plug that comes out, the top wire is the ground and the bottom wire goes into the harness. In helms it looks like it should be the other way around.

Please help this is driving me nuts...

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 909edge &raquo;</TD></TR><TR><TD CLASS="quote">
Where is the VTEC ground?

I am wondering if my sensor is wired right. On the plug that comes out, the top wire is the ground and the bottom wire goes into the harness. In helms it looks like it should be the other way around.

</TD></TR></TABLE>
On the Vtec pressure swtich, the blue is the signal wire to the ECU and the black is the ground. You can ground it right there on the head. theres a phillips screw. it always works for me

 

has anything worked for anyone here....im having some of the same problems here

 

I got a VAFC to take care of that problem for me... Bypasses the oil pressure switch/sensor/whatever you wanna call it completely...

 

how did u by pass it?

 

Do you have no VTEC at all, or you get the code while in VTEC? If the wiring is right and it's not the sensor then you probably have low oil pressure. Have you hooked up a gauge? Is the oil pan dented? I've heard of used engines getting the pan dented up against the oil pickup. This causes the low oil pressure. Not hard to pull the pan and make sure the pickup is clean too. I saw an engine once where they re-used an old gasket and put way to much silicone on the pan gasket and the oil pickup was full of silicone strings that had been squeezed out of the gasket and into the pan.

 

check your oil pressure. you might not have enough.. or if the wires are too long and crimped, the actual wire can break within the shield. it can be connected fine but still not get a proper connection.. that happened to us once. I rewired it and it worked fine! good luck..

first check your oil pressure..

then redo the wiring. (new wire)

make sure you have a proper ground on your oil pressure switch.

 

I am having the same problem, wiring is good, ground good, solenoid good, now I am going to check the oil pressure. any other ideas would be greatly appreciated.

 

well i have done everything exexpt oil pressure test, gona try that tomorrow and see what i get.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by B18CJDM GSR &raquo;</TD></TR><TR><TD CLASS="quote">how did u by pass it?</TD></TR></TABLE>

VAFC sends the signal directly to the ECU, you actually cut the wire that the Vtec oil pressure sensor runs to the ECU and replace it with the one from the VAFC, which always sends the right signal...

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ShakesTheKlown &raquo;</TD></TR><TR><TD CLASS="quote">USDM or JDM engine? And if JDM engine, USDM or JDM ECU?</TD></TR></TABLE>

The egg, you never answered my question. What year is the engine too?

I know that some, if not all, OBD2 JDM engines do not have a vtec oil pressure sensor, and if you use a rechipped p28 then it may throw a code...

I know this, because that's what happened to me. 97 JDM ITR, p28 ECU. Going uphill in 4th I'd throw the code about 5 seconds after VTEC engaged, or going flat it'd happen in 5th.

If it's a USDM engine, or you're using the proper ECU/wiring harness for the engine, then do what the other guys have been saying.

 

same problem here...

two long blinks, two short blinks....

91 civic hatch, JDM B16, PR3 ECU.....

anyone know WHY i'm not hitting VTEC?
also it only revs out to 7300-7500...is this due to the vtec also?
VTEC Oil Pressure Switch

 

Low cam has a lower rev limit in the ecu. The lower rev limit makes sense if you are not in VTEC. Like I said, if it's not the sensor, wiring, or ecu: check your oil pressure...

edit: I just noticed you said PR3 ecu. Is that a VTEC ecu? Unless it has been chipped and modified I think the ECU is your problem...

 

fixxed my problem..... rewired vtec solenoid and oil pressure switch, new fuel filter, although nothing to do with VTEC, and changed the oil and used an RSX type S oil filter for greater oil pressure.

yes, PR3 is an OBD0 B16 VTEC ECU.

 

back from June...

STREETWERKZ - so was it an oil pressure problem?

i have a b20vtec in a 90 CRX with PR3 ecu and getting code 22, but all the wiring appears OK, but only revs to 7500rpm...

gotta test the oil pressure - what was yours? was this the problem?

i used VAFC to raise the vtec x-over to 6500rpm and the code 22 went away, so i think it could be this, but what were your oil pressure numbers?

what weight oil were you using?

thanks!

 

bump this old thread.

my jdm b18c is throwing this code. my oil is good, pan not dented (a bit of scrape), wiring done professionally. my ecu is a chipped p28 obd2b -&gt; obd1 jumper harness.

i cut the vtec pressure switch wire on the jumper harness and i still throw that code! i dont know what the expletive to do

 

bump, here's another.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by bow tie &raquo;</TD></TR><TR><TD CLASS="quote">bump this old thread.

my jdm b18c is throwing this code. my oil is good, pan not dented (a bit of scrape), wiring done professionally. my ecu is a chipped p28 obd2b -&gt; obd1 jumper harness.

i cut the vtec pressure switch wire on the jumper harness and i still throw that code! i dont know what the expletive to do </TD></TR></TABLE>

Wow you cut the wire on the jumper harness to try to eliminate the code... The reason you get a CEL is because the ECU is set to look for certain sensors. and when u cut the wire. It is not recieving any signal from that sensor so your little CEL will come on.