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Old 14 Jul 2008, 02:46 pm
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Default Hydrolock Maybe??

Well I was driving in the rain last night. Never happened before to me until i put my new bumper on. It pretty much leaves the AEM CAI air filter in plain sight (which i didnt realize till now). So I was guessing that since i was driving in the rain, the rain was comming through the hole and pretty much soaking down my exhaust. Now i was just cruising down the road to get to Wal-mart and engine just all of a sudden bogs down and shuts off. So i put on my 4-ways and pull into a parking lot. I wait a little bit while i'm freaking out in the pouring rain.So i start up my car and a bit of white smoke/steam come out of my exhaust which didn't calm my nerves at all. When i said i was cruising i was taching at about 2200 RPM. So i get to Wal-mart and buy poster board and pretty much box off my filter. So I'm like trying to get home and if i took it up to 3000RPM it would start to bog again. So i keep it at around 2k PRM pretty much the whole way home. So anyways i go out today and my car drives and runs pretty ok and I take it down the road and go to tach out once and the engine felt really weak like it wanted to tach off at 4k RPM. So i try it again and when i hit 4k RPM again the car pulls down to about 3750 RPM and sounds like a backfire and then lets loose to about 5k RPMSo I let the engine vent by pulling out the spark plugs and also spraying a little WD-40 in the chamber. I started up and reved it and it would seem to tach out at 5k RPM instead of redline...After my elaborate story. It is possible that I had a little but of sitting water in there this morning? If so i took out the spark plugs and sprayed some WD-40 and let it vent for a little bit. And is it still possible that I might have bend a connecting rod or did some minor/major damage to my engine?To add after first answer? what about it only taching at 5k RPM when it would normally tach at 6k RPM?? Think a sensor when bad in the process?
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Old 14 Jul 2008, 03:01 pm
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Join Date: Jul 2008
Posts: 15

If you hydro locked your engine it would not run, plain and simple. You would have to take it apart and clean it out if you did; so you can rule that out. It is probably fine, run some Seafoam through the intake vacuum lines and that should do it.Edit: You do know that it isn't good to red line your car all the time, you should be shifting around 3500 rpm.
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Old 14 Jul 2008, 03:16 pm
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Posts: 1,338

if you sucked in water through the intake the engine would stop because you cannot compress a liquid. it wouldn't restart becaue it would be "hydro-statically locked".there are two possibilities. the first is that the rain let water in the distributor cap and that is shorting out the ignition. that is a very strong possibility and the most likely scenario. if the engine runs its not the plugs. take the distributor cap off, wipe out the inside with a paper towel (even better, moisten a paper towel with isoprophyl alcohol if you have it then wipe the inside of the cap out) and let the air evaporate any water that may have gottne inside the cap.water in the cap will cause the spark to arc across the cap and misfires and backfires to occur.While I seriously doubt you did any damage internally there is a possibility that you could have bent a valve. I'd be really surprized if that were the case given your description but it could happen.the white smoke coming out of your exhaust was probably just water that got on the air filter being turned to steam.dry out the distributor cap and give it a go. I think you'll find that will 'fix' your car.and no, I don't think that a "sensor went bad in the process". Everyone is too quick to throw parts on cars before they diagnose the cause.hope that helps
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Old 14 Jul 2008, 03:31 pm
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Join Date: Sep 2007
Posts: 6

i went and spent 200 on an injen cold air intake, went through what could only be described as a small lake, and blew a hole in my block the size of a're ahead of the game, because your car still turns's definitly still wet in there, and it's possible you damaged some sensors....good luck with it, and get rid of that intake asap!!!
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