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89 240 ignition coil. Mystery deepens ? 200

uid 18083's pic
posted by  lucid on  Sun Mar 14 07:37 CST 2004
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last visit: Fri Oct 24 12:31 CST 2014
[RELATED]

No idea what the 334 coil app is. Are you sure it's not 364?

I see Chuck (PF) says that coils aren't as bulletproof as I suggested, so you might be onto something for your rich mix problem..

You can check ECT resistance from the ECU end (pin 13 to ground, per spec in Bentley , or FAQ I think). If it's really bad it should set a code. Have you checked the OBD I codes?

And FP for LH 2.4 with engine idling should be 43.5 psi, and rise about 9psi more when the vac hose is removed and plugged. Did you check to be sure it's not leaking thru the diaphragm to the vac hose? That would make things really rich (and probably make FP low?).


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






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