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What would cause low fuel pressure on a Pontiac 1993 grand am se 3.3l?
Wiki User
∙ 14y ago
First thing that needs to be checked is fuel filter,most neglected maintenance part.After changing filter and pressure is still low,check fuel pressure regulator, although not a common failure for low pressure,but Stranger Things have happened.Last and most common fuel pump is bad.Normally caused by first suggestion(fuel filter)causes pump to work harder resulting in premature failure.hope info was helpful.
Wiki User
∙ 14y ago
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