Question about 1999 Volvo S70

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Just replaced the fuel pump and the car dies

Just replaced the fuel pump and the car still dies, acting like it is not getting fuel and will not stay running.

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  • Zack Shepard
    Zack Shepard Jul 21, 2010

    With fuel pump replacement, its always a good idea to replace the fuel filter as well. Although the check engine light normally comes on when the filter is getting plugged up.



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Why everybody trying to replace fuel pump when the engine won't run normally?(I just looked through few posts , same thing)
There are tonns of other things that may cause this problem.
Spark , fuel pressure regurator , vacuum leak , air mass meter , electronic throttle actuator (throttle body) , etc. ....
Before you waste your money by replacing components(very expensive way) , take it to mechanic shop and let them do a diagnostics. And if they find the problem and 100% sure about it , then you can take the car , pay for diagnostic and do it yourself , if you feel like it.
Diagnostics charges usually an hour , so depends on a labour rate of mechanic shop it will be from $80 to $120 in my area(California).
I'm very sure it will save you money.

Posted on Jul 21, 2010

  • Lucas Hall
    Lucas Hall Aug 28, 2014

    There isn\'t a sensor on everything. I paid 120ish for diagnostic only to find that if the check engine light isn\'t on, than there isn\'t a code to read by the diagnostic device. wasted my time AND money. The mechanic gave me his best guess and kept my 120. AND now I\'m back to guessing.



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