Question about 2010 Chevrolet Cobalt
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Posted on Jan 02, 2017
SOURCE: Problem Code 44 on 89 C1500
The best thing would be if you had a scan tool to monitor the o2 sensor.If you suspect water just add some Heet in the tank and see how that goes.The only other thing is to check fuel pressure but the tester that hooks up on these is one that has to be hooked up on the fuel lines between the filter and the fuel line that goes to the pump.The fuel pump is in the fuel tank.There could be problems there also.The rubber fuel line from the pump to the sender could be bad or deteriorated.There is also a pulsator that is between the pump and the sending unit that can be bad. You could also have a plugged fuel filter.Depends on if it has ever been changed or not.Hope this helps.Good luck.
Posted on Mar 22, 2010
Testimonial: "Yes, I changed the fuel filter and have run Heet and other additives through the tank. I'm thinking fuel pump is the problem. Thank you."
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