2003 Nissan Xterra

  • 4 CYL
  • 106,000 MILES
2003 Nissan xterra not getting any gas. Engine died while driving but things that required battery power stayed on. Could this be the fuel pump?
Do you
have the same problem?
Saturday, November 13th, 2010 AT 4:43 PM

1 Reply

All "crank, no start" conditions are approached in the same way. Every engine

requires certain functions to be able to run. Some of these functions rely on

specific components to work and some components are part of more than one

function so it is important to see the whole picture to be able to conclude anything

about what may have failed. Also, these functions can ONLY be tested during the

failure. Any other time and they will simply test good because the problem isn't

present at the moment.
If you approach this in any other way, you are merely guessing and that only serves

to replace unnecessary parts and wastes money.

Every engine requires spark, fuel and compression to run. That's what we have to

look for.

These are the basics that need to be tested and will give us the info required to

isolate a cause.

1) Test for spark at the plug end of the wire using a spark tester. If none found,

check for power supply on the + terminal of the coil with the key on.

2) Test for injector pulse using a small bulb called a noid light. If none found,

check for power supply at one side of the injector with the key on.

3) Use a fuel pressure gauge to test for correct fuel pressure, also noticing if the

pressure holds when key is shut off.

4) If all of these things check good, then you would need to do a complete

compression test.

Once you have determined which of these functions has dropped out,
you will know which system is having the problem.
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Saturday, November 13th, 2010 AT 4:53 PM

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