TBeckRider

Adam Fuel Pump Connection Issue

My 2015 Vauxhall Adam with a gasoline engine is having starting and idling issues around 34965 km. The check engine light is on, it sounds rough, and fuel consumption is up. Diagnostic tool shows a fuel pump error. Fuses are fine, but could a defective cable or plug be the problem? Any similar fuel delivery problems?

A 2015 Vauxhall Adam with starting and idling issues, increased fuel consumption, and a check engine light was diagnosed with a fuel pump error. The problem was suspected to be a defective cable or plug connection to the fuel pump. After checking the relay and wiring, it was confirmed that a faulty connection was the cause. Cleaning the connection resolved the issue, restoring the car's performance.

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4 comment(s)

Sounds rough! Fuel pump issues are a pain. Did you check the relay for the fuel pump as well? Sometimes a bad relay can cause intermittent problems like you're describing. And yeah, definitely check all the wiring and connectors leading to the pump. A loose or corroded connection could definitely cause those symptoms.

Good point about the relay, thanks! I'll check that out. When you say check the wiring, is there a particular way I should test it? Like, should I be looking for a specific voltage at the connector, or just visually inspecting it for corrosion or damage?

Visually inspect the connector first for any obvious corrosion or damage. If it looks okay, then yeah, you'll want to check the voltage at the connector with a multimeter when the ignition is on. You should see battery voltage there. If not, then you know you've got a wiring issue somewhere upstream. Honestly, though, with those symptoms and the error code, a trip to a workshop might save you some hassle.

Thanks for the advice! I checked the relay and wiring, and everything seemed okay, so I took it to the shop as you suggested. Turns out it was indeed a dodgy connection to the fuel pump, as suspected. They cleaned everything up and the total bill came to 95€. Runs like a dream now. Cheers!

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VAUXHALL

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ADAM