My '93 Pathfinder is running lousy on inclines and I really want to speed her up so I can stop irritating the people driving behind me. I'm going to change the spark plugs this weekend, but I'm not sure that will be enough to do the trick. Suggestions?
Is there anything else wrong with it that you can tell? Whens the last time it had a full checkup? We try to services ours at least once a year pending there are no issues but we are very strict about home checkups too (which I know many people forget).
Maybe instead of just changing the spark plugs, you should think about doing a full tune-up. If you put it on a scope, you may be able to adjust the timing for better performance.
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An uphill battle
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