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cmitch Expert Date registered: Apr 2006 Location: Ala-Tenn Vehicle(s): 2002 ML320, 2005 S430 4Matic, 2010 F150 Super Crew Posts: 3412 | Hard start on 2002 ML320 continues Thought it was the CPS, since that's what caused my hard start-no start on the ML430. Replaced it and no improvement. Had fuel filter done and it actually got a little worse, which leads me to believe it's the fuel pump. Thoughts? | ||
#147436 | |||
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cmitch Expert Date registered: Apr 2006 Location: Ala-Tenn Vehicle(s): 2002 ML320, 2005 S430 4Matic, 2010 F150 Super Crew Posts: 3412 | Crying in the beer Fuel pump was bad (bad check valve). Hooked up fuel pressure gauge and after engine shut off, went to zero. | ||
#149676 - in reply to #147436 | |||
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