Normal running that warm up time. not stem seal problem unless it dose it all the time engine is running. could just be the engine needs a clean. try seafoam or fuel cleaner and do regular oil filter changes. if you are getting oil lose then check the cam cover gasket or the sump gasket. as these are the main leak areas apart from bain bearing seal. but there is gasket and bearing seal additives you can use to stop these.
SOURCE: 1998 chevy S 10 won't
a coolant temp sensor will cause this problem if it is reading warmer than it is outside this will give lean condition .the sensor is located by the t-stat follow upper radiator hose down to housing.the sensor has two wires. thanks for your question.
SOURCE: i have 1990 honda civic it has good compresson
Remove valve cover, loosen valve and lifter nuts, remove rod and seal.
You can go to autozone.com and register for full free online repair manual with everything you could need.
SOURCE: 95 saturn sl2 smokes is it the valve seals ?
your pistons are leting blow by get through whick means that your pisten rings are wearing out more then likly
SOURCE: When i stop for awhil and then i take off it
If it smokes blue only when you first start it, it is the valve stem seals, that is caused by oil seeping past your seals into the valves and when you first start it the seeped oil gets burned on ignition. If you have blue smoke all the time when you are driving, than it is the piston rings, either way you should look at replacing your motor soon with either a good used Japanese engine from Japan or a rebuilt or remanufactured engine.
SOURCE: Smokes when starting cold engine. Goes away in
valve guide wear causes this. It's not a big issue, but if you ever have the heads off, have the guides replaced or knurled.
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