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Replace fuel pump and filter that is not a regulator problem. Bad fuel regulator will cause vehicle to surge at cruise speed or they leak and cause engine to suck excessive fuel into intake if vacuum control then blows black smoke.
It will help Matt if you would have said what color the smoke is thats coming out the tailpipe. White heavy smoke will be antifreeze getting in the combustion chamber.Could be head gasket,cracked or warped head.Black smoke would be fuel system pumping gas in making it run rich,And not able to burn the fuel completly.
Smoke oil? For what your thinking that is oil? Smoke coming from the
tailpipe is not good news, but does not necessarily mean the engine
needs rebuilding. First, you need to determine what color of smoke is
coming from the tailpipe * White smoke is caused by water and or antifreeze entering the cylinder, and the engine trying to burn it with the fuel. The white smoke is steam. There are special gaskets (head gaskets are the primary gaskets) that keep the antifreeze from entering the cylinder area. * Blue smoke is caused by engine oil entering the cylinder area and being burned along with the fuel air mixture. As with the white smoke, just a small drop of oil leaking into the cylinder can produce blue smoke out the tailpipe. * Black smoke is caused by excess fuel that has entered the cylinder area and cannot be burned completely. Another term for excess fuel is "running rich." Poor fuel mileage is also a common complaint when black smoke comes out of the tailpipe. Black smoke out the tailpipe is the least cause for alarm.
If you confirm us that is oil smoke, check and keep in mind that the car has many seals, gaskets, and
O-rings that are designed to keep the engine oil from entering the
cylinder, and one of them has failed. If too much oil leaks into the
cylinder and fouls the spark plug, it will cause a misfire (engine miss)
in that cylinder, and the spark plug will have to be replaced or cleaned
of the oil. Using thicker weight engine oil or an oil additive designed
to reduce oil leaks might help reduce the amount of oil leaking into the
cylinder.
It could be either the engine, catylitic convertor if the smoke is black. If the smoke coming out is white it could be engine coolant problem. If it is not getting enough power it could be the carburator not getting enough gas.
Yes, the best way to determine if you've blown a head gasket, it to use the diagnos # 4 gas analyser or smog test analyser- (the tube that goes up the tail pipe), place the wand near the radiator. if the wand reads finds CO in the cooling system ,100% blown head gasket
Black smoke is unburned gas. If the car is running fine besides the black smoke, it's most likely the Coolant Temperature Sensor. The part is roughly $20 and an easy fix.
do u have a scanner?
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