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Why does a 1995 Pontiac Sunfire engine turn but wont start unless you floor the gas pedal?
Jenniles
Probably a leaky FPR diaphragm or bad MAP sensor reading.
If bad FPR diaphragm replace the fuel pressure regulator. This will also fix the misfiring, excessive fuel consumption, catalytic converter burning up, and rapid engine wear.
If MAP sensor, replace sensor and/or hose to sensor. May also fix: check engine light on, hesitation on acceleration.
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∙ 16y ago
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