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Re: 1999 lanos
Is the check engine light on? could be a few things your best best is to put a fuel pressure gauge on the car and tape it to the windshield take a hill and watch your readings, otherwise its hard to say without more info please rate -jeff
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first thing i would do is have the fuel pressure tested.it really sounds as if you have a bad fuel pump considering the fuel gauge problem. the fuel gauge and the pump roun off a modulator the located in the tank with the fuel pump. Hope this helps.
check the spark plugs to see if they are getting any spark-pull one of the plugs, reconnect the wire, and hold near something metal on the car while someone turns the engine over-if no spark-it's electrical-maybe just the plugs-maybe something more serious
i have a 2001 chevy z-71 5.3L. I keep getting a random/multiple misfire code for cylinder 1 . I have replaced plugs, wires, coil pack(only on #1 cylinder)., and fuel pump. I still keep getting the cylinder 1 misfire code. I put truck on a scanner and watched the cylinders. # 1 misfires at idle but quickly stops misfiring at around 1000 rpms. you can here the engine miss at idle but truck runs great on road . anyone else ever had this problem?
try disconnecting vacuum advance tube from the distributor,block it off and see how the car reacts.you may have to do it to both if it has 2 Could also have a vacuum leak somewhere around the intake system