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The Garage
2003 Explorer Issues Opinions
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<blockquote data-quote="2slo95fiveoh" data-source="post: 677693" data-attributes="member: 8966"><p>I would agree with your hunch on a fuel problem.. My experience with bad Cat Converters is that some original problem with the a/f ratio</p><p>caused the Cat to become plugged up. I would check your fuel pressure... It almost sounds like your fuel pump is</p><p>leaning out, causing your computer to pull timing (for safety), feeling like a missfire.. A fuel injector is possible, but I have seen</p><p>more fuel pump problems than injector problems.. I literally just finished a similar problem on a 04 Ford Escape, and it was doing the same thing..</p></blockquote><p></p>
[QUOTE="2slo95fiveoh, post: 677693, member: 8966"] I would agree with your hunch on a fuel problem.. My experience with bad Cat Converters is that some original problem with the a/f ratio caused the Cat to become plugged up. I would check your fuel pressure... It almost sounds like your fuel pump is leaning out, causing your computer to pull timing (for safety), feeling like a missfire.. A fuel injector is possible, but I have seen more fuel pump problems than injector problems.. I literally just finished a similar problem on a 04 Ford Escape, and it was doing the same thing.. [/QUOTE]
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