1400 feet is almost no height a all. You are correct about vehicle engines needing some small adjustments to the amount of fuel entering the engine at high altitude but hardly any correction is needed at 1400 feet - now if it was 1400 metres it would be reasonable to blame altitude as a factor in your car's lack of uphill performance.
My instinct is to suggest there is a problem with your car. 40,000 miles is no guarantee of no problems, it is after all 20 years old so the injector spray patterns could be bad or the catalytic converter could be half blocked, either of which can have a dramatic effect on performance...
SOURCE: 98 Saturn SL 1 sputters
Have a scanner hooked up to your car and do a data stream to see if your knock sensor is still working. On a heavy load, if the ECM detects detenation in the engine, it will automatically want to ****** the timing to make it run better on a load.
SOURCE: 97 Saturn SL1 leaking antifreeze, high RPMs, uses excessive gas
wow it sounds like you have a few problems going on. One, your idle speed is set too high and needs to be lowered. Two, i would replace your temperature sensor so that you can monitor your overheating. As well as try and see where the leaking is coming from (i.e. the radiator cap, on the radiator itself, or where the hoses run into the engine-could be engine temperature sensor). Three, if you have to prime your engine at first to get it to run then more than likely fuel pump is going bad.
SOURCE: high idle
Clean the Idle Air Control Valve. It's on the throttle body below the Throttle Position Sensor. Worked for me! Good luck.
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