My 2004 Trailblazer has 102K miles on it and has been running rough. I have run several tanks of fuel injector cleaner with no help. Changed spark plugs this weekend and found oil in #'s 2, 4, and 6. Does this mean my engine is going?
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Sounds like you've done everything but the injectors. Run a bottle of fuel injector cleaner in a tank full of gas every time you do an oil change after this time. Also, check the fuel pressure to see if it's where should be for the injectors. But then, if it has enough pressure to go through the dirty injectors to make it run, pressure should be good. Check it anyway.
Hi, your Car needs a tune up. Have the spark plugs replaced a fuel injector cleaner added to the fuel tank and replace the air filter if it needs it. Change the oil and filter at least every 5,000 miles also. I believe by having these services done your rough run will be gone...
Sounds like the fuel injectors are dirty. run a bottles of STP or other fuel injector cleaner in the next two tanks of gas. Also if not done before change the fuel filter inline from the tank. Or maybe change the air filter, especially if you have been driving in an area that is very dusty.If the filter is clogged or full it will restrict the flow. These are some cheap fixes. If they done work then you can have the injectors cleaned at a shop but that is a bit more expensive. I hope this helps.
DO A LITTLE TUNE UP.CHANGE SPARK PLUGS.CHANGE FUEL FILTER.CLEAN FUEL INJECTORS.FILL FUEL TANK UP.AND ADD A BOTTLE OF FUEL INJECTOR CLEANER IN FUEL TANK.WHEN YOU DRIVE CAR AROUND.THE INJECTOR CLEANER WILL CLEAN OUT FUEL INJECTORS.IF CAR STILL RUN ROUGH IN DRIVE.YOU COULD HAVE INTAKE LEAK.
SOUND LIKE DIRTY FUEL INJECTORS.FILL GAS TANK UP.POUR A BOTTLE INJECTOR CLEANER IN GAS TANK.DRIVE CAR AROUND.SO THE CLEANER CAN CLEAN OUT INJECTORS.ALSO REPLACE FUEL FILTER.HEY YOU CAN GO TO AUTO ZONE OR ADVANCE AUTO THEY WILL SCAN YOUR CAR FOR FREE.
Try cleaning out your intake (get some stp throttle body cleaner) try running some fuel cleaner through you gas tank, check you air filter. maybe you could replace your spark plugs and wires. these are just a couple of things I could think of that could cause it.