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1993 940 Turbo ECU 900 1993

posted by  B.B. on  Tue Nov 21 13:36 CST 2023
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last visit: Mon Oct 6 13:15 CST 2014
[RELATED]

Hi,

Forget horsing around with ECU's, that's a last resort. There's a raft of compatibility problems.

"He Got spark and fuel..."
Don't believe anything you hear, and only half of what you see.

Are there OBD codes?? start there.

When attempting to start the car, confirm spark.
How did you confirm fuel? You can have fuel pressure at the FI rail
but the injectors can be disabled by a bad RSR for instance.

Try to start and look at the plugs. Are they wet or dry, or maybe badly fouled?

If they're wet you have fuel. If they're dry check for a bad RSR.
That's something you can swap to test.

Pay attention to the RSR connectors, the support for the female pins can
crumble away and require replacement. I just ordered some bullet connectors
for my washer pumps that crapped out, and ordered a spare RSR connector to
have on hand.
(www.davebarton.com for connectors, wiring stuff and good advice & how-to's.)

Post back, maybe it's just a dead RSR ?

Bill






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