I have found several similar threads, but not exactly the same issue.
'92 SC400 - 403,000 km.
The last two evenings "Big Red" has stalled at low speed, once at about 60kmph., once while stopped to turn left. No codes or "check engine" lights in evidence. Each time, she restarted immediately.
I posted this thread in the wrong section and it was suggested the fuel pump ECR may be the culprit.
Any similar experiences? I have access to an OBD1 tester. What is the code for the fuel pump ECU?
Thanks

 

As above, 403,000 km. ( 251,000 miles.)
I found many similar threads, but no exact match.
The last two evenings, my car, which is a daily driver, has stalled at low speed, once at about 35 mph, and once while waiting to turn left. Each time, I slipped it into neutral and it restarted immediately, with no suspicious warning lights.
New plugs, never touched the MAF or throttle body. I posted this in he wrong place yesterday and a member suggested the fuel pump ECU.
Any other ideas?
Thanks

 

I've had the same problem on-and-off for about 6 months. Now my car will start but will not stay running unless I keep my foot on the gas pedal.

Check the following:

1) IACV valve. Do a search in the forum. I took mine off and it was pristine and not the problem.

2) Pull your MAF sensor and measure the resistance between the first two terminals from the right. Send me a PM and I can forward you the instructions on how to do this. I just checked mine and it is within spec.

What to do ...