Hi, my 1998 Daewoo Lanos is giving me some problems. When it runs at a slow speed, a little bit under 1500 rpm and without accelerating, it starts to fail (like heavy stamping). The car is also using 25% more gasoline and feels like a boost after passing 3000 rpm.
The complete fuek injection system (including the pump) has been checked, even changing the TPS and reviewing compression, valves, etc.
But the problem still is. Any help?
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Since it's located in the fuel tank, it might be a bit of trouble to get to. I am not that familiar with your specific model, but some of the newer cars, there is an access panel under the rear seat that allows you to get to the pump without having to lower the tank out of the car.
hi normally you can do this by...pulling the headrest top its maximum height , at the bottom you should see two black plastic rings, on either side of these rings are little partitions push these inward and pull the headrest at the same it can be a bit awkward but if you do one side at a time or get someone to pull the headrest while you push the clips in can be very helpfull...hope this helps please vote thanks
check to see if your timing belt is broken. there should be an access hole usually a rubber cap that you can remove to see it. if there is no access hole remove the screws of the timing belt cover and open it enough to see the belt without breaking the cover. If the belt looks ok be sure there is enough tension so that it is not skipping over the camshaft pulley.
check your ignition components for dampness or to see if they are faulty (spark plugs, wires and ignition module and coil packs).