[sickyota]

i have noticed that when i start my truck i have to give it gas and hold it at 1500 rpms for about 30 seconds or the truck will die. it is like when the weather is cold the high idle to help it warm up faster doesnt work anymore. i have also noticed a white vapor coming from the exhaust. does anybody know what could be wrong.

thanks guys
zach

 

[bb609]

I doubt the two are related but.... When was your last tuneup? Try cleaning the throttle body and MAF. If your exhaust vapors are unusually heavy, it is possible you have a blown head gasket or problems with the head(s). Check your engine oil to see that it looks clean. If the heads/gaskets are the problem, you will see it in the oil being white and milky looking because your radiator fluid is being mixed in with the oil through the leaking heads/gasket.

 

[sickyota]

i replaced the spark plugs and cleaned the throttle body and maf 300 miles ago. when the motor gets warm the smoke goes away. what would cause the head gasket to blow? i am going to change the oil this weekend.

 

[TRDOLMAN]

i replaced the spark plugs and cleaned the throttle body and maf 300 miles ago. when the motor gets warm the smoke goes away. what would cause the head gasket to blow? i am going to change the oil this weekend.

It's normal in the winter time to get "white smoke" from the exhaust until the engine warms up. It's not smoke. Its water vapor.
Dave

 

[bb609]

White smoke is typical of condensation which builds up in your engine, exhaust, etc. just from sitting and is normal. Of course in cold weather, you will see it more. Radiator fluid leaking into your cylinders from a blown gasket obviously will exacerbate the problem. Causes? Overheating is one cause but I think these motors (at least the 22R) are prone to this with high mileage engines....my opinion. Someone else may chime in with a better answer there.

 

[bb609]

i am going to change the oil this weekend.

Meanwhile, pull your dipstick. If there is a problem, you will see it right away.

 

[rojodiablo]

Meanwhile, pull your dipstick. If there is a problem, you will see it right away.

Ya, check the dipstick . You might have ' milkshaked ' the motor. But if it runs well once warm, I doubt it. Probably something like the maf, or o2.

 

[scottnmos]

i have noticed that when i start my truck i have to give it gas and hold it at 1500 rpms for about 30 seconds or the truck will die. it is like when the weather is cold the high idle to help it warm up faster doesnt work anymore. i have also noticed a white vapor coming from the exhaust. does anybody know what could be wrong.

thanks guys
zach

If the dipstick looks like a milkshake.... headgasket. If the exhaust smells sweet... headgasket. If youre running out of coolent much faster than normal.... headgasket. Other than that.... you may just be seeing the engine warming up in cold weather ie the engine blowing out condensation inside the exhaust from last time you drove it.