Technical Fiat Stilo 1.6 16v start problems

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Technical Fiat Stilo 1.6 16v start problems

lukasrn82

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Oct 9, 2021
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Fiat Stilo 1.6 16v start problems
Rough, hard, difficult start
When ignition is on, Until fuel pump turn off start hard.
Sometimes need twice to turn on/turn off ignition key.
New fuel pump cleaned noozles, changed most of sensors. Etc.
What could causes?
 
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