Here is the scenario:
My car is a 95 LS-SE, which used to be turbo, but i sold it for a b18c1 swap. I've had the swap in for about 1 week, and have been running off of the LS ECU with no prob. However, 4 nights ago some a**holes tried to steal my car. In the process of stealing it, they tried to punch the ignition, broke the ignition cylinder, ripped my alarm out, ripped some relay out, stole my ECU, ripped the maint req box out, and generally wreaked havoc to the interior of my car.
So today i get my hands on a P72 ECU, so i can take adv. of the b18c1.
I got the car started, and it throws code 23, like it should, cause the wires for vtec haven't been run yet. However, this is where things get nasty.
The car will barely start, when it does, it has a hard time idling. At idle the tach will bounce from 750rpm to 8k and bounce all over the place. The speedo will do the same. The car will also intermitently cut out. This is all with no extra throttle input on my part. While driving, and holding the car steady at like 60mph or 3k in 5th, the tach will jump to 9k-7k-2k-6k-0 and eventually cut out. The speedo will also show random mph at idle. Now, this almost has to be electrical, cause the engine doesn't rev to 8k and such at idle, just the tach/speedo goes wild.
Any ideas? TPS? VSS?
Tom

 

ttt

 

what about the wiring harness? you probably need some sort of harness to adapt all your sensors and "stuff" to the correct pins on the new computer... i think... maybe... i dunno... your 95 had obd1, and i'm not so sure about all the different ecu "names" so i can't be so sure, but maybe your new ecu is obd2... you'll need a few more sensors if this is the case won't you?


[Modified by Pb_Foot, 12:06 AM 10/17/2001]

 

nah, p72 is obd1 gsr ecu. we also wired the motor up to accept the new ecu.

Tom

 

Check all of your fuses under the dash, and make sure that you don't have any loose wires.

 

Check fuses.

It could be a VSS or something with the distributor. But if it happened righ tafter they tried to jack it...maybe they shorted some **** out and blew some fuses.