Question about Chrysler Concorde
Same problem. 94 LHS 3.5L engine. Noticeable rythmic misfire at idle. Looks like cyl 5. When I pull the injector connector off of cyl 5 the idle rythm does not change. It does if i pull the inj connector off of any other cylinder. Spark OK. Injector ok using seperate 12vdc supply (clicks). Connector to injector has pulses on it verified with a test light. Inj coil resistanceis 12 ohms, exactly what it should be.
Still need to check compression and intake manifold gasket
Posted on Apr 20, 2009
Same problem, after plugs, wires, coil pak, computer, fuel injector, the problem was a bad lower intake manifold gasket. Gasket was broken on the lower section in the valley between the heads so it would not show up when I used an unlit propane torch trying to locate the problem. Be very careful with the o'rings on the fuel rails, they are very hard to find.
Posted on Oct 07, 2009
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Posted on Jan 02, 2017
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