So I have a 2000 xlt 4.6l. It has recently started backfiring & missing mainly when it's under load. It also stumbles considerably when accelerating at highway speeds. it's also running really rich . Any thoughts on where to start?
Backfire, dogging, low mpg
- Thread starter Carni87
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Motorcity muscle
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Welcome to site. Sounds like misfires, is check engine light on? Can do a search on here, upper right corner, tons of reading material.
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