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Geezer runs out of guesses 900 1993

93 Regina 940, 199,900 miles

Problem: Number 4 cylinder not firing.

Tests:
#4 cylinder Compression test OK. (@150psi)
#4 spark OK, comparable to 1,2,3.
Noid light shows injector pulses when cranking.
Injector #4 emits fuel when cranking.
(fuel rail pulled away from "home" for test.
#4 not measured against the others... yet.)

Suspects ruled out:
Ignition problem
Broken valve spring
Missing injector pulses
Plugged injector

Anybody been here before?


--
Bruce Young, '93 940-NA (current), 240s (one V8), 140s, 122s, since '63.






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New Geezer runs out of guesses [900][1993]
posted by  lucid subscriber  on Mon Jan 5 15:18 CST 2015 >


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