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car eng goes flat when putting it to the floor
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73chevy
New User
Dec 1, 2008, 2:24 PM
Post #1 of 3
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car eng goes flat when putting it to the floor
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Long story but here it is.
A 2005 Sonata with 68000 miles, never any problems. On the 28th i came home and parked by the gas barrels, I keep gas here and use a filtered pump and ck for any water ever week.
the day before i filled up the Sonata i removed the pump to use it to transfer a 100 gal of diesel. after i pumped the diesel, i left the pump on the back of the pick up over night, it had rained and the stand pipe had water drops all over it when i stuck it in the gas barrel, I cranked out about a gallon of diesel and gas before putting the nozzle in the fill up for the car, then i filled up the car and let it set there.
the next morning my wife started the car and let it run to warm up,the weather had went below freezing during the night. she went out to leave in about ten minutes but came in and said the car wasn't running, i went out and tried, but nothing, no fire. I put 4 bottles of dry gas in the tank and tried to start it off and on during thye day, it finaly started, but the eng wouldn't rev up, so i just let it idle for about 8 hrs to get rid of some of thye gas and to see if it would thaw out if that was the problem. the ck eng light came on eventually.
It never did clear up and would't get much higher that an idle, I took it to the local garage and they worked on it for 4 hours and even put an Air Flow Sensor on it but took it off as it did no good, they called me up and said that they done all they could.. They said they done nothing but the car runs better after just setting in their heated garage a few hrs., at least we can use it around here so long as we don't put it to the floor, I didn't think i was going to get it up to their place.
Question is, does anyone think that there could have been enough water in the hand pump to freeze up the pump in my tank and maybe a tine bit of diesel fuel still in the pump drained in my gas barrel and wound up in my Sonata and should i just take off the tank and drain it to be sure, or could it be trying to run on all that dry gas now? I would like to get it to the dealer, but they're 30 miles away and don't loan cars while working on the customers. any ideas? thanks
(This post was edited by 73chevy on Dec 1, 2008, 2:32 PM)
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Guest
Anonymous Poster
Dec 1, 2008, 4:50 PM
Post #2 of 3
(1644 views)
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Re: car eng goes flat when putting it to the floor
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Two things about gasoline fuel injected vehicles; They don't like water and they don't like diesel. Water is heavier than gasoline and will settle to the bottom of the tank and just lay in wait until it gets
shaken up, like a martini. Not sure of the specific gravity of diesel, but other than causing the engine to smoke (with just a small amount), I can't see it causing any serious damage. If it was a lot of diesel, I suppose it could plug up the injectors, but doesn't sound like it could have been very much.
On the other hand, the diesel could cause damage to the oxygen sensor or the catalytic converter, but seems like it would take more than just a gallon or so in a tank full of gasoline. You may want to check the fuel filter. You didn't mention if you had a check engine light illuminated. Did the repair shop come up with any DTCs?
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73chevy
New User
Dec 2, 2008, 3:49 AM
Post #3 of 3
(1632 views)
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Re: car eng goes flat when putting it to the floor
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Two things about gasoline fuel injected vehicles; They don't like water and they don't like diesel. Water is heavier than gasoline and will settle to the bottom of the tank and just lay in wait until it gets
shaken up, like a martini. Not sure of the specific gravity of diesel, but other than causing the engine to smoke (with just a small amount), I can't see it causing any serious damage. If it was a lot of diesel, I suppose it could plug up the injectors, but doesn't sound like it could have been very much.
On the other hand, the diesel could cause damage to the oxygen sensor or the catalytic converter, but seems like it would take more than just a gallon or so in a tank full of gasoline. You may want to check the fuel filter. You didn't mention if you had a check engine light illuminated. Did the repair shop come up with any DTCs?
the garage put an Air Flow Sensor on but took it off as it didn't change anything.they gave up on it as it was taking a lot of time, I took it to them in the first place because i thought they were the experts, lucky for me i was only charge 100 for the 4-5 hrs they had in it. they thought it could have been a plugged converter, but ti ran fine til i parked it, put in the gas and wouldn't run the next day..i stopped working on autos in75 and just worked on cats, cummings and detroits, heavy eq. til i retired.
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