2004 Nissan Titan lost power-startedonce-wont restart

Tiny
SCOTT777
  • MEMBER
  • 2004 NISSAN TITAN
  • 5.6L
  • V8
  • 4WD
  • AUTOMATIC
  • 134,000 MILES
2004 nissan titan pulling a trailer labor day weekend running fine, then started loosing power but still idling, pulled over shut engine off restarted put in gear but no increase in tach just idle when depressing pedal, shut off again and would not restart. I had it towed to mechanic he felt most likely a fuel pump replaced it but did not help same condition, also sprayed engine start wouldnt fire, the engine does turn over but doesnt try to start, but makes sense no fuel from tank being pumped. Tech tested injector it was not active either. I read a lot about ipdm issues so we decided to order one after new ipdm installed same issue no fuel or injector results. Hopefully you have some suggestions
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Friday, September 26th, 2014 AT 1:42 PM

1 Reply

Tiny
CARADIODOC
  • EXPERT
You didn't mention anything about spark. Has anyone checked that? Too many people get hung up on the first thing they find missing but you have to check for fuel pressure, injector pulses, and spark. If all of those things are missing, look for what they have in common, which is the crankshaft position sensor and the camshaft position sensor.
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Friday, September 26th, 2014 AT 4:00 PM

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