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Tipasa my car wont start especialy wen its gold Nssan Pulsar…

Customer Question
Tipasa my car wont...

Tipasa my car wont start especialy wen its gold Nssan Pulsar 2004 1.8

Mechanic's Assistant: Thanks. Can you give me any more details about your issue?

Trying to turn it on but it wont start pls

Mechanic's Assistant: OK got it. Last thing — JustAnswer charges a fee (generally around $20) to post your type of question to Nissan Experts (you only pay if satisfied). There are a couple customers ahead of you. Are you willing to wait a bit?

Ok thanx

Submitted: 2 years ago.Category: Nissan
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Answered in 2 hours by:
1/20/2016
Nissan Mechanic: Matt, Engineer replied 2 years ago
Matt
Matt, Engineer
Category: Nissan
Satisfied Customers: 23,469
Experience: BEng hons Mech engineering, worked in auto industry for 22 years on engine, transmission and suspension design
Verified

Hello

This could be incorrect fuelling due to a faulty water temp sensor. If this is the problem then the ECU will never add the 'cold start' extra fuel required if the car starts OK when warm then I 'd look into changing the sensor.

Also its worth checking that the electric pump that feeds the injectors is working correctly, it should run for a few seconds then switch off when you first turn the ignition on. If you remove the filler cap to the fuel tank and listen inside while your assistant flicks the ignition you should hear it clearly

If the connections to this are corroded or damaged then the pump could stop at any time. Check that its relay switches in and out and the relay contacts are clean and bright – replace the relay if in any doubt and do the same for the fuse, ideally measure the voltage at the pump and check its getting 12V.

You should be getting around 3 bar measured at the injector rail check to see if the plugs are getting wet indicating fuel is flowing – if not and the injectors are opening then there’s a problem with the pump or the filter or even the pressure regulator

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Nissan Mechanic: Matt, Engineer replied 2 years ago

Hi

do you still need help?

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