I had this problem with mine, then the engine management light would come on. Turned out to be the crankshaft sensor. (Cambelt off job)
302 is a misfire on cylinder #2.Try checking the coil pack at night with the engine running - what I'm suspecting is a cracked coil. Especially if it gets worse during damp weather.Lots more in the "Related Questions" below for more about misfiring trouble-shooting
Gravity.
Engine is in need of tuning.
Time for a tune up.
because it is going uphill and the engine has to work harder?
First of all, if the check engine light is "ON" then that would be the place to start. If the fuel filter has not been replaced in the last 2 years then I would do that.
When alot of engine power is needed, the A/C compressor will be shut off to reduce engine load.
Defective cooling fan or bad fan relay.
You will smell it burning and your engine will slip as you pull away in first gear and while going uphill.
Uphill Battle ended in 2005.
Uphill Battle was created in 1999.
Malcolm Uphill died in 1999.