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Posted on Jan 22, 2011
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My 1999 saturn starts to stall when I start going up a steep grade. Is this the fuel filter?

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  • Posted on Jan 22, 2011
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If your vehicle has had hesitation or sputtering especially while under a heavy load like an incline that would be my first choice to check.

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1999 Chevy Tahoe stalled while driving and now it won't start.

It sounds like you may have an issue with the fuel system or ignition system in your 1999 Chevy Tahoe. If it was running fine before you filled it with gas, then it's possible that the fuel pump or filter is clogged or faulty. If the fuel pump is unable to deliver fuel to the cylinders, the engine won't start. You could also have an issue with the ignition system, such as a faulty spark plug or coil. You may want to check the spark plugs and coils to make sure they are in good condition and that they are sending a spark to the cylinders. Additionally, you may need to check the fuel filter and fuel pump to make sure they are functioning properly.

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I have a 2001 lanos. when the car is level it runs fine. when i try to go uphill no matter if the hill is slight or steep it starts to slow down and wont take the hills with full power. any ideas on what...

When was the last time you changed your fuel filter? I had a truck, exact same problem then it started stalling out going up hills, was a plugged fuel filter
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Check fuel pressure with gauge. The filter could be dirty or weak pump. Then check injectors. That can be done by unplugging one at a time and holding the brake in a safe direction, and applying the gas and seeing if there is a greater change on one injector versing another; however, makes sure that all of your spark plugs are doing their job, including your coils and module. The spark can be tested using a spark tester that has a screw type adjuster that goes from 10k to maybe 45k. You keep twisting it out until you get no spark, then adjust it back in until you get a blue fire. At this point check all of the spark plug wires. They should be able to make the same spark. If not, check that line of fire wire, plug, and coil,etc. Good luck.
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It is part of the fuel pump module inside the fuel tank, all the cars are starting to use this type of setup, the filter is only serviced when the fuel pump fails.
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Sounds like it could be some water in your Carb, i would recommend cleaning it out, Also it could a blocked air filter
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