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hard start 700 1990

uid 18083's pic
posted by  lucid on  Tue Sep 29 06:09 CST 2009
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last visit: Fri Oct 24 12:31 CST 2014
[RELATED]

I'd replace the Crank Position sensor (aka Impulse sender, RPM sender) unless you know it's not the original.

The Radio Suppression Relay is also a known suspect. It can be bypassed (as a test) by jumpering the harness plug sockets for the 2 heavier wires (red and green-red) that power the injectors.

The fuel pump may also be going bad. Need to check cranking pressure at fuel rail or current draw at connector in Left rear wheel housing.
--
Bruce Young, '93 940-NA (current), 240s (one V8), 140s, 122s, since '63.






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