Question about 2002 Mercury Mountaineer

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We had some minor flooding and my '02 Mountaineer stalled out in 4' of water. It was there no more than 5 minutes when I was pushed to dryer ground, but now my truck won't start. It makes a clicking sound only. The lights, radio, wipers etc come on so I don't think it's the battery. Help!

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$feet of water isnt minor. you may have engine damage. I would have a mechanic take the spark pluggs out and see if the engine will turnover. the engine may have ingested water and bent a rod.

Posted on Sep 05, 2010

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1 Answer

Will the engine "dry out?"


The engine most likely stalled due to the exhaust system being under water. When this happens the engine can't breathe properly and will stall. The vehicle may be flooded. Try holding your foot to the floor and cranking the engine to help clear a flooding situation. There may have also been some electrical that has gotten wet as well but it should be dried out by now as it is designed to operate in wet/rainy conditions

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My car stalled in flood waters. Pushed it out, and now it wont start, it tries to then clicks, I checked the oil, no water in the oil...Did I damage my engine???


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Sometimes vehicles that get flooded badly enough, are junked

Nothing you can do

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stalls, are complex
if the engine is good (compression at spec)
it this list.
1: lost electric power to EFI system or spark.
2: bad fuel.
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5: EGR stuck open
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there are tests for each.
cold start failure only ! all else good, engine tuneup done?
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ECT can cause gross over fueling.
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It may be tough to diagnose if you can't duplicate the complaint.
When it stalls you would need to know if you are loosing spark to the plugs or fuel to the injectors to proceed with any troubleshooting.
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1992 isuzu pickup,2.6 engine , surges up and down after 10 minutes then shuts off


1992, PICKUP, in USA? what country , ? cars are not same all over earth. sorry.
engine surges, then stalls. correct.>?

nice testing , rare here, real nice !!!!
spark good as it stalls
so if engine is ok, compression, (seems cat is not melted with 20 " HG)
is flooding or starving for fuel,.
one or the other, you can find that out.
if spark timing was ok, then the belt did not slip. on cam)
leaving only fuel issues.
so DO the magic , WOT, cranking trick this trick (logic in ECU)
cuts the injectors dead, cranked, to unflood all engine with EFI.
do that?
check spark tips, for 3 to 4 hours dead.? be next
2.6L (is 4 cylinder.) is cam belt drive, i never fail to check it first
the fail, at 60k miles, all do. all rubber band engines do.,

if all this is ok, not flooding
one can start engine with test fuel, and even keep it running
even with (hint) fuel pump relay pulled.
if that works, the fueling is wrong.
injectors leaking,? ?
if only one spark tip is wet , soaking in fuel, Injector issues.

when it stalled pull all 4 plugs and look at the tips.
(if cam is timed right) be super super first thing, on this 4 banger.

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1 Answer

Went thru a flooded road about 8"deep stalled out


You filled the cylinders with water. You will need to remove all the spark plugs and crank the engine with them out, to push out the water. you will also want to replace the air filter as it is probably saturated with water.

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Flooded Engine that Starts but Won't Idle


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you may have water in the CKP connector which is sending a bogus reading to PCM

more often than not though I see this will cause a no start

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