the #2 plug and the one below it got fouled, the bottom plug on that side had black on one side too, #1 and down that side are burning clean. The engine had started to lack power, but when i replaced the plugs that were fouled it still lacks power. I was thinking the fuel pump diaphram is leaking. where is that fuel pump located? any ideas on what it could be?
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2001 200 hpdi
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