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Rough running worse after rain... CEL from socket 6 is 144 (somewhat a part of older 'sudden shift of oil pressure ...' 200 1990

posted by  Strackerjack on  Tue Jun 8 13:04 CST 2021
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last visit: Wed Oct 8 19:11 CST 2014
[RELATED]

As title states my son's 244 has been stalling and running rough at idle moreso after rain.

I've done the following:
1 - Sprayed water all over spark plug wires, coil and distributor with engine running - no visual sparks flying off anything and no change in engine running rough while being sprayed.
2 - Changed Ignition amplifier by DS headlight and battery - no stalling out either.
3 - Switched out AMM - seems a bit better but still idling rough
4 - Replaced a relatively clogged fuel filter - no change
5 - Sprayed brakleen around and found vacuum leak at EGR pipe connector to intake manifold (repair scheduled for tomorrow)

I had been reading a code (232) from socket 2 of the OBD1 reader but now a CEL from socket 6 has indicated 144 which seems to be pointing to a bad fuel injector relay or bad wiring somewhere in fuel injection system - I changed the fuel pump relay and it seems there is not much change.

If I am mistaken in thinking the fuel pump relay and the fuel injection relay are the same thing then can anyone tell me where the fuel injector relay is? Or offer any other things to try.

As always thanks!
--
Bad Blue - '86 245 with 303,000 mi. (now for parts), Good Green 1990 245 with 178,000 mi., Blacky - '91 740 wagon with 180,000 mi., Mean Green - '94 850 with 222,000






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