Question about 2004 Kia Sedona
If the spark plug is firing, check that the injector is pulsing, is putting gas into the cylinder. If both are working, do an engine compression test. If that cylinder is low on compression, you have a mechanical problem-maybe a valve is not sealing, maybe a burnt valve; the cylinder head will have to be removed to find and fix the problem.
Pull the spark plug after it has been run and see if plug is wet with gas or smells like gas. That's one way to check for gas in the cylinder. Or put a "noid" light on the injector connector to see if the injector circuit for that cylinder is working. Noid lights can be bought at a parts store cheaply, just make sure it fits your connector.
Posted on Aug 02, 2013
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Posted on Jan 02, 2017
ok. You mentioned shampoo? meaning you cleaned the engine and compartment. And ran out of gas.
Sometimes if we wash the engine, water can hide in some spots like getting into plugs and such. If so, that plug may have been damaged. change the fuel filter as well, if you have ran out of gas.
if smell rich, well you just may be on the right track. Not enough air. Be sure to check all vacuum hose to ensure you don't have a leak somewhere that we are not catching.
Posted on May 05, 2009
this vehicle has coil packs for the ignition correct? have you ran the engine at night with all surrounding lights outs so its really dark. spray a mist of water on the coil packs and spark plug wires to see if you have spark/voltage leaks jumping out from them. sometimes the tiny sparks will be so fine and skinny you can barely see them so it needs to be dark. hope this helps your trouble shooting. a coil pack could have such a fine crack for the voltage to leak from that you cant see it.
Posted on Jun 13, 2009
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