1993 940 stalling when hot
 

1993 940 non turbo auto wagon
My car recently started to stall. If I drive it around allday, it works good, however when I shut it off and try to restart it while the engine is still warm-hot, it would stall immediately after putting it into drive. I would have to step on the gas a little and the brakes at the same time while it's in drive and then it would go. After that, it would run all day until I shut it down again. In the morning, this does not happen. It only happens when the engine is hot or warm. Any help would be appreciated.

RE: 1993 940 stalling when hot
 

Any Codes?

RE: 1993 940 stalling when hot
 

I get 1-4-3 in position 6 . I replaced the knock sensor and cleared the code and the check engine light stayed off for a week. Now it's back on and the same code. However, even after replacing the knock sensor, the car would die when restarting if it's warm or hot.

RE: 1993 940 stalling when hot
 

I will bet that something else is causing that code.
Maybe a coolant temp sensor.

RE: 1993 940 stalling when hot
 

Another problem is I am unable to erase the code from the diagnostic box. I have to disconnect the neg cable. I do know how to do it and it worked about a year ago but now it doesn't. The way I try to do it is with the ignition on, insert the wire into position 3 , hold for 5 sec then release for 3 sec then hold again for 5 sec. please let me know if that's correct.

RE: 1993 940 stalling when hot
 

You have to make sure you Read all the codes first then Clear them.
Also hold the button down for more like 10 seconds.