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pressure build up causing car to lose coolant and overheat
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Slburch
New User
Dec 31, 2014, 3:17 PM
Post #1 of 3
(1180 views)
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pressure build up causing car to lose coolant and overheat
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I have a 96 Toyota Camry le and from day one its had these problems
As soon as I start driving the car and it warms up to the proper temperature it will begin to start showing a lot of different symptoms.
PROBLEMS
Over heating, it seems that the radiator is having back pressure build up and my coolant will go back into my over flow tank and then leading out of the escape hose right out of my car which will lead it to over heat.
Accelerating very slowly, it seems that when I'm trying to accelerate my car pings and will not accelerate properly, once I get up to speed it seems fine but getting there takes a while.
Idling roughly, Starting the car is no problem and before it fully warms up there's no problem, but as soon as it get to the proper temperature and I come to a complete stop the idle will begin to sputter mainly when I'm in drive, sometimes in neutral, rarely in park, yet when I reverse the car usually will die every time.
WHAT I HAVE DONE
Replaced my radiator, radiator cap, overflow tank, thermostat, coolant temperature sensor, as well as my shift lock solenoids.
Checked all hoses, both fans are running fine, changed spark plugs and wires, I've done a complete tune up, fuel injection cleaner, I even did a head gasket leak sealer just to be sure that wasn't it, I've been check my oil and its been 100% perfect.
I've been reading about a number of things that could be the problem and only a few things will cause these problems but I don't know I just feel stuck right now here's what im thinking about checking next.
PVC valve, MAP sensor, Pressure sensor, oxygen o2 sensor.
Any help?
(This post was edited by Slburch on Dec 31, 2014, 3:22 PM)
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Dec 31, 2014, 3:29 PM
Post #2 of 3
(1172 views)
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Re: pressure build up causing car to lose coolant and overheat
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Common with those symptoms that head gasket is putting combustion gasses into cooling system. Air/vapor doesn't cool the engine and blows out the recovery tank.
You probably will notice heater doesn't work too now. Check hard but strong clue of a bad head gasket. Continuing to drive it just makes it all the worse,
T
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