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hi guys, i got a 2.4 and a 65mm tb for the vectra c. As expected, it does not go well without remap and there are problems to do so. any advice? Ecu 12571662AK Delco

With low fuel level I cant accelerate it, half tank gives pulls so i thought fuel pump is failing. 5 seconds to start engine when its cold. This is the fuel pressure regulator rigth? https://www.ebay.es/itm/New-OEM-12564448-DAMPENER-FUEL-PUMP-PRESSURE-Fits-Chevrolet-Cobalt/143028867131 Thank you...

Hi guys, any one know if this engine got fuel pump high presure? I got problems about that. I dont know if is fuel pump problems or another thing ( sensor, valvule...)