andreasklein65
Fiat Bravo starting issues
Summary of the thread
The 2001 Fiat Bravo diesel experienced starting issues, stalling, rough engine performance, and increased fuel consumption, with the check engine light on. Diagnostic tests indicated a defective fuel pump, but a faulty cable or plug connection was suspected as a possible cause. Suggestions included checking the voltage at the fuel pump connector for weak connections or corrosion. Ultimately, the problem was identified as a defective cable, which was repaired at a workshop, resolving the issues.
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4 comment(s)
andreasklein65 (community.author)
Thanks for the suggestion. How exactly did you check the voltage? Where can I find the fuel pump connector? And how can I measure the voltage?
elisadunkel14
On the Astra, the fuel pump connector was under the rear seat, but it might be similar on the Bravo. You'll need a multimeter. Set it to DC volts, find the positive and negative wires on the connector (usually a wiring diagram online can help), and measure the voltage with the ignition on, but engine off. It should be close to your battery voltage (around 12V). If it's significantly lower, you've got a bad connection somewhere. But honestly, if you're not comfortable with electrical stuff, it's probably best to take it to a workshop. Electricity and fuel aren't a good mix for DIY if you're unsure!
andreasklein65 (community.author)
Understood. Thanks for your advice. I checked the cable and plug connections, then took the car to the workshop. It turned out to be a defective cable, as suspected. The repair cost was 95€. Now everything works.
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FIAT
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BRAVO
elisadunkel14
Sounds frustrating. I had a similar issue with my old Opel Astra, though it was a petrol engine. The symptoms were almost identical: stalling, check engine light, the whole thing. Have you checked the voltage at the fuel pump connector? A weak connection there could cause all sorts of problems before the pump itself actually fails. Also, check for any corrosion on the connector pins. That's often overlooked.