Saturn Repair: 98 saturn sw2, saturn sw2, tail pipe

Question
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Followup To
Question -
I have 2  questions it has 86k on it it uses 1 quart of oil every 400 miles and it has started missing when you go up hills. What could cause this?  Thank you
Answer -
Hi well it could be a few things,,has the service engine soon llight been on? also the oil usage does it leak at all          No the service light dont come on. But miss was plug wires I have fixed it. No oil leak at all and no smoke I have just had it 4 mouths. Thanks I realy love your service!  

Answer
Hi well it must have a leak or burning it unless somone is taking your oil (HAHAHA) take a look at the spark plugs and let me know what color they are also take a clean white rag and put it tightly over your tail pipe and get a friend to rev the car up 3 or 4 times to about 2500 and let me know what color the smoke is..