jayeghatch

so i have a 94 eg with a b16a stock, with stock usdm p30, an its throwing code 22. but my motor doesnt have the vtec electronic pressure switch.
can i drive my car like this or does it need to have that sensor?

egsleepercivic

is this an obd2 b16, the obd1 b16s had the pressure switch I know my obd1 jdm b16 does.

does vtec engage, i don't think it will with that code

beecee18

source a known good used spool valve assy from the OBD1 variants and swap them out, the best plug and play solution for you.

94EG8

connect a jumper wire between A4 and D6 at the ECU to fool it into thinking the vtec pressure switch is there and working.

jayeghatch

its an obd1 engine but the guy that own it before me had obd2 dizzy,an injectors.
so i switch it back to obd1.
can i just buy the pressure switch an pull the plug an install it an wired it?

jayeghatch

So can I just order the pressure switch an remove the plug?

ekb16

iTrader: (1)

you can add a pressure switch if you want..jdm vtec sol does not come with a pressure switch on them..you can either get a usdm vtec sol or drill and tap the jdm one

jayeghatch

So I haven't been able to find a used USDm Vtec with the switch.
Can I still drive my car like that, I know Vtec is not working.
Does anyone know some place in southern California that carries them?

egsleepercivic

OBD 1 JDM b16a's have them
you can see the green plug in this pic from HMO, also my jdm b16a has one
http://hmotorsonline.com/shop/sc2000...age&item=30004

call hmo

94EG8

Yes you can drive the car. Why not just do what I said in my previous post which is basically free.

Fliptard

either what 94EG said or get a pressure switch. US ECU's look for a vtec pressure switch were JDM Ecu's do not.

egsleepercivic

obd1 jdm P30 will look for the sensor, mine throws a code if you unplug it

jayeghatch

Well I'm running a usdm p30.
An I'm confused about how the obd2 don't have the pressure switch.
Does anyone know if my head is a Obd2 it's stamp p3-4

egsleepercivic

not sure if the head is obd 1 or 2, it doesn't matter they are the same anyway, it's the sensors that are different between 1 and 2.

if you have an obd2 vtec solenoid it will be missing the green plug in this pic, but it will have the spot for it but it won't be tapped or threaded

hope this clears it up for you

94EG8

JDM OBD B-series engines don't have a vtec pressure switch and the corresponding ECU doesn't look for one. All the pressure switch does is tell the ECU that there is sufficient oil pressure to activate vtec without starving the head for oil.