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Re: 99 Astro van Evap code PO442
The fuel pump relay is energized when the ignition is turned on. If the engine is not started, it shuts off after 2 seconds. If the engine is started, the relay stays energized until the key is switched off. The oil pressure switch is wired in parallel with th... Login to read more. ![]()
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10 Replies Received
10 Replies Received