Question about 2004 Nissan Sentra

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My car engine is cranking but its not starting,the battery is ok and the starter.I also checked the fuel pump its working fine.What could be the problem sir?Please help

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Check for spark. use an inductive timing light on a plug wire while your trying to start the car and see if you have spark. if you do the next place to check is the fuel system. it it getting to the cylinders. just because the fuel pump works doesnt mean it is pumping fuel to the motor esp if fuel injected which requires a pretty high pressure of fuel delivery compared to mechanical fuel pumps. get back with me after you have checked these two items if it still wont fire or run. good luck. remember dont open up the fuel system and have any exposed fuel while trying to start the motor. very high risk of fire or explosion with this combination.

Posted on Jun 01, 2010

  • mchibowora Jun 01, 2010

    Hi
    I have just checked for the spark and its there and as for the fuel pump its working fine

  • das boat Jun 02, 2010

    if you are getting adequate fuel to the cylinders and proper spark the engine should atleast fire if not run normally. do you have any trouble lights on at the dash. has this car ever had this problem before or was it missing or running differently prior to it not starting? have you done any work to any other system of the car recently. you might pull out a plug after you have tried to start it and see if it is damp indicating that it is getting fuel. smelling the plug for fuel may also work. please provide me with this information if you will. thank you.

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