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940 no start ? at times dies while driving,, 900 1993

Did you check for codes?
It's hard to help you troubleshoot if you don't respond.

I think you have the Regina with the single in tank pump.
Carefully check the ground wire for the fuel pump.
If it has crimp connections, pull on them hard, you may have a flaky
ground wire.
Beware cheapo crimp lugs and connectors, don't use lousy crimp tools.
Dave Barton has an excellent review of crimp tools.
The wagon ground point is low down by the right tail light assembly.

You can rig up your VOM with the ground wire on the cigar lighter ground
and when the engine quits, see if you have 12 VDC at Fuse 11.
Put the probe on top of the ATC fuse where you can see the top of each leg.

Even if the pump is working, the RSR can shut down the injectors, so you need
to verify whats happening to home in on the root cause of the agony.

Speaking of connectors, the main fuel relay plugs into the fuse block and each connector pin is a female spade lug that can get spread open and get loose.
The pins can be removed from the fuseblock and carefully closed up and/or you can order some new pins from Dave Barton. He has the real quality stuff for ordinary and high current.

You can make a gauge to see if you have borked relay socket pins with a male spade lug the same thickness as the fuel relay pins. Crimp to a stiff copper wire for a gauge.
Hint: the relay pins can get damaged (spread open) with repeated pulls and insertions.

Just for fun, pull the main fuel relay:
Check each pin in the socket to see that each pin is tight.
You can make a tool to release the pins from the fuse block out of a bicycle spoke and just grind it into a long thin straight slot screwdriver to slide along the back of the pin to release the latch.
Use vise grips to tighten and not totally crush the female pins so that they are just tight enough.

Please respond to my email about your 940 seat belt, 2nd request.

Thanks, Bill






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