Dumbass Me=Engine Problems

[Gnnr]

I was cleaning my engine. I used water. Now my engine dies when I turn it on the frist 3 times. Then it almost dies and catches itself on the 4th. Its almost impossible to get it to 3K rpm. It jolts back and forth, its extremely rough. WTF did I screw?

Thank you,
The biggest dumbass in the world. :(

[sliEighty]

you need to go in dry every little plug... its a pain in the dick but thats what you need to do. dry everything out... mainly eletric things to start/run the car but to be safe i would dry everything under your hood. next time you go to clean under your hood wrap everything that cant get wet in a plastic bag or something to keep it dry

[EchoOfSilence]

yeah... i'm assuming you didn't cover your distributor or your alternator?

[Gnnr]

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yeah... i'm assuming you didn't cover your distributor or your alternator?

nope :(

[OdessaS13]

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Quote:
Originally Posted by EchoOfSilence
yeah... i'm assuming you didn't cover your distributor or your alternator?


nope

i think what he is trying to imply what it is exactly that you screwed up
the 3k problem sounds like a mafs issue

so you just hosed the whole engine bay??lol :spank: j/k, just think before applying water to electric components next time

[MELLO*SOS]

If the MAF is busted or disconnected the ECU has a safe mode that prevents revving over 2500-3000... I'd start with that connector. If that's not it then start drying other stuff out

[trybal]

take off your dist cap and dry out the water thats inside there. i know theres probably water in the cap. and yeah the maf plug and what not..

[downshift_sideways]

i ran into this same problem the other day...

Just simply dry all your eletrical harness, and plugs off. Make sure everything is cleaned :) did you wash your engine down when the car was running?

[Gnnr]

Okay, I didn't like hose down the whole engine. I was only cleaning certain areas where engine oil had fallen from a spill I had the other day. Areas where: valve cover, exhast manifold side, water pump area, and area under the throttle body.

I removed the dist. cap and the distributor, didn't see any water. I used a paper towel wrapped it around a metal rod and cleaned through each spark plug chamber. It was dry. I checked the spark plug wires on both ends, and cleaned it with a cotton swab just in case (did that to dist. cap too).

So how do I test my MAF harness? I dont think its the actual MAF, I looked at thin metal wire, and look to be ok. When I give it gas the engine will not go past 2500rpms (exact number). Thats the problem I'm having. The engine acts like it does when you hit redline, or over rev.

[trybal]

thats your maf. your ecu won't let it rev that high, it is a fuel cut. ecu in safe mode

[stinky_180]

did you have any codes before the engine bay wash? is your CEL light on? if not have you still checked for codes?

[MELLO*SOS]

The MAF hot wire itself will of course be fine (shielded from the water). The problem is most likely from water getting into the MAF electrical connector. Pop that sucker off and let it dry out then try again.

[sliEighty]

try to reset your ECU... disconnect your negative battery termanal for 5 min then reconnect it and start it up... it should reset your ECU

[pr240sx]

Also, next time try to prevent water from entering the spark plugs holes or you will be looking at a new set of wires

[Gnnr]

Also, next time try to prevent water from entering the spark plugs holes or you will be looking at a new set of wires

If water got into the spark plug wires will it be damaged? I might just change them out.

So its most likely that water got into the MAF electrical connector? I'll shall try to let it dry and reset the ecu. I dont see any codes, but I'll checck the ECU just in case. Thanks for the help guys, I'll keep ya'll posted.

[pr240sx]

Water alone will not harm the wires. Heat and high pressure steam will break the lower rubber boot and ground the hell out of them.

When I wash my engine, afterwards I remove the wires and loose the plugs, water will go to the cilynder. Then I crank the engine with NO plugs and then install them back with a coat of silicone grease (on the boots) and antiseize on the plugs threads.

[NemeGuero]

Bust out a blow dryer or an air compressor. Spray all your connectors, dry all your connectors.

She'll be fine in the morning.

[240 2NR]

I don't know what the big deal is. I've washed my engine bay several times and have never had any problems. Obviously if you have an open element filter, don't soak it with water, or any electrical boxes that don't have a cover. For the most part I can rinse it all off with a hose, towel off excess water and let it dry while I wash the rest of my car and I have never encountered any drivability issues (or any other car where I have washed the engine bay).

I think it's more likely that either you managed to damage the MAF as people have suggested or the water is hightlighting a prexisting problem (poor electrical or wrapped connections, loose fitting spark plug boots, etc).

[jdm_s14_zenki]

what the other guy said was reset the ecu...i had a 97 pathfinder with obd2 and hosed down the engine bay one time (dont ask why)

we had to reset the ecu with the diagnosis tool because we could not reset the ecu by just disconnecting the battery for 5 min. if u dont have obd2 then disconnect battery for a few min, reconnect, and see if that works. if not, check voltage on mafs. check ignition harness plugs for water, ect.

[misnomer]

Meh-- I hose down my engine all the time, though I am careful to avoid some of the electricals. The issue sounds somewhat familiar though-- make certain you've thoroughly dried the spark plug holes. Once you're confident everything is dry, just let it idle for a while (1/2 hour or more). Can't garuntee it'll solve your problems, but it's always worked for me. Most electronics in the engine bay are decently shielded from water (the bottom of the bay is open to the elements), so a splash *shouldn't* hurt anything.