Chrysler Repair: 1999 Chrysler LHS with 3.5 liter, 1999 chrysler lhs, chrysler lhs


Question
Washed my car with a high pressure wand.  Lifted the hood and just lightly sprayed the engine area.  Ran fine, drove home etc.  Later, car would not start.  It turns over fine but does not cough.  I don't smell gas so I think it is being staved of fuel.  How do I check the fuel pump or sensors that call for fuel?  Car has been sitting in the garage all day now, with fans to help it dry out in case water got somewhere it does not belong.  I am open to any suggestions.
Thanks

Answer
Hi Dale,
Usually water can impair the high tension side of the ingnition system more easily that the low voltage circuits. But on the fuel pump question, if you stand near the rear right side (maybe even kneel down to listen for the sound of the pump in the fuel tank) have a friend turn the ignition to the "run" position which should cause the pump to run for 1-2 seconds before it stops (as a safety measure). So if you hear it, that is not your problem.
On the ignition question, I would advise pulling a rubber cap off one of the spark plugs, then if you have a spare plug but the cap on it and position the threaded shell of the plug against the cylinder head while the same friend cranks the engine for a few seconds (hold the rubber cap so you are insulted from shock). Watch for spark to jump across the gap of the plug. If you don't have a spare plug you can take a plastic handled philips head screw drive and insert the tip into the rubber cap so that it touch the internal wire of the cap where the spark plug would normally make contact. Then holding the handle of the screwdriver for insultation, position the shaft of the screwdriver 1/4" from the chylinder head with the rubber cap's internal wire still in contact with the tip of the screwdriver and have the friend crank the engine. Similarly watch for spark between the shaft and the cylinder head.
If you don't get spark, then I would check the distributor (if there is one on the 3.5 engine, if not then check the spark coil for water entering the low voltage plug in where the signal to fire the plugs occurs). The other spark sensors are pretty well protected. I doubt that any of the fuel sensors would have been damaged by the water.
Let me know if it still won't start.
Roland