Question about 1997 Nissan Sentra

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Car shut down while driving and wont restart, turns over fine. Has fuel pressure out of filter just before fuel rail. Has spark on all four plugs when turning over.( looks white however) Timing appears to be at 12-14 btdc. have voltage to injectors. I need to check the harness between the ECM and the distrubuter. Where is the ECM in a 97 sentra. this problem familiar to anyone.

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How long has it been since you did a tune up? Try replacing the dist. cap and plug wires. My 240sx had a similiar problem but it ended up being the cap had a lot of corrosion inside. Mine still had spark but was to weak to ignite. Try simple solutions before attacking the more expensive ones

Posted on Jan 01, 2009

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It dies while I'm driving it and I put it in park and it will not restart. What's wrong with it?


Could be a lot of things ! It could be ignition related or fuel delivery problem . Would have to test to say what is wrong for sure . Pull plug wires off one coil an crank the engine , turn the key to the start position. Do you see an hear a spark ? Buy yourself a fuel pressure gage an hook it up to the fuel rail test port an check fuel pressure . Could have a ignition control module problem , bad crankshaft position sensor , Fuel pump ,plugged fuel filter . Have you ever replaced spark plugs an wires , air filter , fuel filter ?

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Engine shuts down


The only way to know for sure is to hook a gauge to the rail and check the fuel pressure when it won't start.
Sitting for a few minutes and restarting is normally a sign of a relay or coil cooling off.
There should be a EEC relay that powers the dist module and ECM.
I know you said you have spark, but it could be something else
related.
Also, if you have spark at the right time and no fuel pressure, you should be able to use starting fluid to substitute.
I don't suppose you have dual tanks and the switching valve is the problem ?

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have diagnostic codes checked to see if you have a cam or crank sensor fault. make sure fuel pressure is at the required pressure, just testing to see if you have fuel at the valve is not enough. replace all spark plug wires. if you replaced two then all are just as old and even when they "look good" does not qualify as "they are good". Replace coil pack. start up drive away happy

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My 2000 ford contour wont start. Engine cranks, but seems no spark. I checked plugs and coil. Fuel pump kicks on and shuts off after primed. It just got harder and harder to start, finally it wont start.


Have you changed the fuel filter.

Your pump may be priming but the pressure could be against a clogged filter.

You might want to check the fuel pressur at the rail.
It might be a fuel pressure regulator problem

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