Question about 1997 Nissan Pickup

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Warm Start for 1997 Nissan

When engine is cold it starts and runs well, but if I stop the truck and re-start after it reaches operating temp, it won't start. I can roll start it, but it runs very rough for about 5 minutes after that. Engine light is on and indicated to do tune up and replace mass air flow sensor and thermostat. All done but light still on and same problem.

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Check your timing is not out

Posted on Jul 21, 2008

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Nissan Pathfinder will not start when engine is luke warm. Please read through the details as the Fixya character counter sucks/


Please don't hurt more walls! Just kidding..what a problem. If you have the correct sensor installed and it is working correctly (check with multimeter for change in resistance when cold, warm, hot) then the signal getting to the computer must be getting scrambled in some way. Check the wire connection where you clip it onto the sensor. Use a multi meter and check for continuity there and back further along the wire.
if you can't trace the wire all the way to the computer, you may have to do a bodge job..rig a wire into the cab with an on off switch.
Only to be used when the engine is warm..flick switch to off, start truck, flick switch back to reengage sensor.......
think of it as an unusual theft deterrent !

Mar 27, 2015 | 1999 Nissan Pathfinder

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1997 dodge ram 1500 4x4 360 engine starts when cold turn it off after it reaches operating temp will crank wont start no voltage to coil inlet and outlet


run fault codes and check for ambient air temp/water temp/cam/crank position servos/sensors faults. Something that is controlled by temperature that is connected to the cpu is telling it not to start as it is out of parameters.

Sep 21, 2013 | 2004 Dodge Ram 2500

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Van will start but it cus off after a minute or so.


is it hard too start in the mornings,have you checked the oil level some cars will shut down after oil gets warm or reaches opperating temp. so it dose not destroy your engine

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1 Answer

Runs fine when cold, not when warm though


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Jan 06, 2012 | 1997 Buick LeSabre

1 Answer

I need to change the thermastat ,,, where is it and whats the easiest way


Heed of antifreeze solution temperature!!!
You must check the thermostat operating. The thermostat location for 1997 Audi A4 1.9 TDI is on back of alternator at the bottom side of the bracket.
IMPORTANT NOTE: It is NOT necessary to replace the alternator if you want to change the thermostat !!!
Thermostat checking:
1. Cold engine. Start up the engine and watch of the water temp indicator. After first value 60 Celsius Degree you still warm up the engine until the lifter (pointer) reach 80 C deg. (second mark after 60 C deg.). At this time you let engine running at idle speed and check with your hand the thermostat plastic housing and hose temperature in bottom left side of the engine. Heed of alternator driving belt and ventilator fan !!!
2. If the thermostat is good the hose must be cold until the water temp indicator reach almost 90 C deg.
3. The thermostat opening temperature is 87 C deg.
4. If the hose is already warm the thermostat is out of order.
5. If the thermostat and the temp sender are OK the last piece out of order will be the instrument cluster.

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Dec 04, 2010 | 1997 Audi A4

2 Answers

2002 nissan frontier 3.3L has check engine light on code is P0128 I would li to know what is the problem


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1 Answer

Van skips and runs ruff but only after it warms up i was told could be coil ,or cam sensor or crank sensor but would look to me to do this when cold . van runs perfect when cold only starts having problem...


It sounds like like the ect sensor(eng.coolent temp)
not sending a signal to to the pcm that the engine is
warm. And the engine will stay in cold start mode.
Check the connections at the ect sensor, it's on top
of the engine on the intake manifold. Also have an obdII scan done to see if that sensor or any others
shows a code. You can stop by any autozone/napa
or advance auto parts they will scan it for free.
Hope this helps.

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1 Answer

2000 maxima has erratic idle on cold days and will stall out on extremely cold days. Also, have noted antifreeze leak (on ground) on those really cold days. Car runs fine once it reaches normal operating...


It sounds like an engine temp sensor is open.. When your engine is cold or anti-freeze is cold your ECU or ECM gets a signal from the temp sensor for cold engine start. It would make sense that it works fine when hot because the resistance on the sensor is a lot lower. Take an ohm meter if you have one and check the resistance across the temp sensor pins. When the engine is cold the resisitance should be really high. Start and warm up your car to normal temp and check it again. It should be a lot lower now. If not replace it. Hope this helps.

Sep 24, 2009 | 2000 Nissan Maxima

1 Answer

Heater bows cold when idling


Hya!
You need to bleed the cooling system.
To do this park on level ground, when cold remove coolant filler cap, start engine and leave to idle.
Have plenty of warm/hot water available, when engine reaches operating temp it may appear to boil over so keep away from coolant filler, top up with warm/hot water and wait as it may bubble over a few times before settling.
Replace cap and hopefully back to normal, Remember your Anti Freeze?
Good luck,
Paul 'W'
Oner~EDson(:0) {#><U.K.

Jan 16, 2009 | 1995 Nissan Altima

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