my 01 ls motor has a crank sensor out. but the computer is a pr4. so my question is, is the pr4 obd1? if it is then do i need an obd1 crank sensor? i just wanna make sure before i buy it off ebay. or if one of you guys have one pm me.

 

obd1 cranksensor is in the dizzy
obd2 cranksensor is in the oil pump
what harnnes is the ecu plugged into?

 

damn dude i dont know. i gotta get back to you on that.
if you could post examples of both i will know what to look for

 

what year car is this in?

 

the motor is a 2001 ls motor but it is in a wagovan. i think it has been ran obd1 though

 

you need to know what obd your running (ecu and harness)
if its obd1 use an obd1 dizzy and use an obd1 ecu

 

what is limpp mode?

 

the ecu goes into SAFE mode and gives you a low rpm and speed limit and stalls out to save the motor from bad damage.
this can happen if you have a odb1 ecu and obd2 dizzy or vice versa

 

the ecu goes into SAFE mode and gives you a low rpm and speed limit and stalls out to save the motor from bad damage.

 

pr4 ecu's came in both obd1 and obd0. If it's in a wagovan and is plugged into stock wiring, the ecu is obd0. If there is a jumper harness at the ecu, it's obd1.

Neither ecu looks for a crank sensor, all the sensors are in the dizzy. As long as the dizzy and ecu are the same obd you shouldn't have problems. If it has been converted to obd1 and is also using an obd1 dizzy, the problem could be in the wiring.

 

yea this guy i bought the motor from was talkin about some jumper harnes shat.

 

thats good. that harness is like $80 with obd1 ecu. your hooked up duder

 

this sucks the motor wont rev past 3 grand

 

You need to address the wiring issues you have with the distributor and the ecu .

Code 9 is what your getting.. The ecu will not allow the engine to spin at high RPM if it doesn't know where the CRANK is.


You need to Check you ecu codes.. (google how to check honda ecu codes ) if you dont know .

My guess is that you need to fix the wiring at the distributor or the jumper harness is messed up .

the short anwser is your wiring is jacked... Put it all back to OBD 0 .. (stock) wiring.. it will run. But you need a obd 0 distributor

 

im noit sure if he said it had a jumper or if it needed one. if the ecu is obd1 and it is an obd0 harness will it go limp mode without the jumper?

 

ight well if you know someone that has one lemme know, im goin to run it obd0