Sorry for the long title but i wanted to make it clear what was wrong for everyone. This started yesterday 1996 850 turbo 155000

11am - failed attempt to start car, turned over but would not catch. Dipstick was bone dry - added oil, maybe a lil too much.

12pm - car running fine noticed smoke from tail, figured it was excess oil burning off.

2pm - car starts and runs fine.

5pm - same as above

9pm - same as above

11pm - car starts but revs itself up to about 4000 then drops down to normal. It returns to 4000 until i put it into gear. The car then feels like its got a mind of its own. It's pulling me along at about 55mph.

I cut it off at a light to see if it will stop. Car does not restart for about 2 mins. After restart it goes back to KITT Mode and takes off. If i toss it into neutral it jumps back up to 4000. since its late i make it home with no lights impeding my progress.

10am- I search this site for a similar problem and deduce its probably the pedal position sensor. I restart car and it jumps up high again. This time to 2000 and slowly starts to make its way up.

10:30am - I turn it off and remove and scrub the sensor.
I notice the cylinder right above the TB is vibrating. is that normal?

10:45 - I attempt to restart the car several times. It will turn over but not catch. I cant pull codes yet being that i have no way to autozone to get a scanner. I will try tonight.

Please help

 

Pull codes at AutoZone first. You may have idlecontrol problem butit is probably electronic-control malfunction; the ECU may be receiving incorrect signal from one of the sensors (IAC valve, TPS, etc...). See what other members think. Or check for throttle cable/pedal linkage.


JPN

[IMG]local://upfiles/6892/2CDAA6D4BB87446E948A11B7F83BA7DE.jpg[/IMG]

[IMG]local://upfiles/6892/DE4BEB1086904C4EBF32ECB064F1AF6F.jpg[/IMG]

[IMG]local://upfiles/6892/89E0C158022F4232B4963FBCBBECD293.jpg[/IMG]

[IMG]local://upfiles/6892/31A7AB17982542559BBF74F7B52006A1.jpg[/IMG]

 

Thanks so much for checking on this for me. I looked into everything and found that the car redtured to normal after i unplugged teh IAC.

It's now throwing a code but at least I can drive the car. Looking into to gettgin a new one.

Thanks again

 

Hey does anyone know how long i can drive around w/o my IAC hooked up?

Also can i use a IAC off an N/A car?

thanks

 

11am - Went to work.

12pm - Started to work.

2pm - Pissed off with J@p@nese co-workers.

5pm - Pissed off further with J@p@nese co-workers.

9pm -Came home being pissed off.

11pm - Same as above.

BTW, the IAC valve for NA & Turbo seem the same, judging from the parts number:

NA(non-turbo):
http://www.fcpgroton.com/product-exe...ategory_id/155

Turbo:
http://www.fcpgroton.com/product-exe...ategory_id/155

eEuroparts:
http://www.eeuroparts.com/productdetail.aspx?code=7689

Both share P/N: 9454745

You can drive as long as you do not have drivability problems or see unusually-coloured exhaust gas, but I would replace it asap.


JPN