Question about 2004 Chevrolet TrailBlazer
Spitts and sputters at idle and take off could it be fuel filter
Posted by Anonymous on
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Posted on Jan 02, 2017
You should loose a little through the lines and the filter itself. When you replace the filter, turn your key on and wait about 6 seconds before cranking. This will allow the fuel pump to force fuel through the empty new filter. You will still experience a small delay when cranking until the air passes through the line.
Posted on Jun 07, 2009
The actual changing of the filter is pretty easy.
You just need to jack up the middle of the TB and crawl under. Just in front of the fuel tank if you look up, you'll see a small metal can with the fuel lines going into it.
The clips on each fitting pop off, and then you loosen the clamp holding it in place.
Just reverse this to install the new one.
Shouldn't take more than 10-15 minutes
Posted on Jun 19, 2010
The filter is on the inner frame rail in front of the
gas tank on the DRIVER'S side.
You undo the rubber clip that holds the filter and pull the whole thing
down so you can undo the clips for the input and output. Be careful to
not mix these up. If you do, just follow the lines and see which way
Don't release the fuel pressure (valve is inside the screw off cap) until you have pulled the filter down off of the frame, and have something ready to catch the small amount of gas that will come out.
Posted on Jun 26, 2010
With temperature related problems, check your intake manifold bolts for tightness. Our intakes are plastic and have a tendency to become loose, causing vacuum leaks. When it warms up, the plastic intake will expand sealing any leaks. But when it's cold, will contract, causing leaks. Easiest to check are cylinder #5 & 6 near the fire wall.
Also, clean your throttle body, a dirty throttle body will cause idle problems, especially in TB's because we don't have a true PCV valve, so gets dirty which causes sticking of the butterfly.
Posted on May 19, 2011
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