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Sometimes a fuel pump doesn't build pressure and all of the pressure has bled off from the last time you tried to start it. Try this: turn on the key but don't try the starter until you give the fuel pump a couple seconds to run with the engine off. Maybe 3 or 4 seconds. Then try the starter. That often solves the problem as vehicles get older. Yea, it's an annoyance but it beats messing with pressure relief valves and replacing a fuel pump that is perfectly ok except for a possible back-pressure leak when it's off.

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โˆ™ 2006-04-14 15:28:15
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Q: 89 Chevy 4x4 fuel pump went out I changed fuel pump and filter Would not start up after changing pump.Two days later it started up on first try drove for 2 days .Now it won't startruns on prime only?
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