Question about 2005 Nissan Frontier

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02 nissan frontier when at operating temp will cut off like it ran out of gas but has spark and injector pulse and when you spray carb cleaner it will run also when you disconect computer temp switch it will run but on scan tool sensor reads 193

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Welcome to Fixya! Have you tried Replacing that Temp Switch? It sounds like the Computer is shutting down due to Heat Codes sent via the Temp switch. This is a Security Mechanism Built in to the New Vehicles so you will not Blow the Motor.

Posted on Jan 05, 2009

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The temperature Sensor may be bad or there could be a clog somewhere and so the engines internal temp is rising and the car is shutting off. If the Guage is bad, it wont look like its over heating. Check that code you got from the reader and compare it to the manual and see what its actually for.

Some cars like the 99' Olds Alero made by GM was plagued with heating issues, the problem was a bad designed water pump, The new one had better fins allowing better flow of coolant which solved all the issues once replaced. Three ASE certified mechanics couldnt figure this out over the course of three years. I replaced a $20 water pump and fixed it in 20 minutes. To bad this was after i spent all the money:(

I would replace the switch first and possibly the the coolant temperature sensor as well as flush the system. All this will cost less than having a mechanic guess at it for weeks and stick you with the bill.

Posted on Jan 05, 2009

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I have a 2000 frontier v6 has 107xxx miles on it. Derive engine light came on. I changed oil and smelled gas in the oil. Had a computer read it and it shows misfire and knock sensor. What could the...


one or two of the cylinders are not firing, check your ignition system (spark plugs, coil packs, connectors) if ok check for leaking injectors cylinders may be flooding or injector spray pattern my be distorted due to wax build up on tips, because there may be cylinders not firing engine temp may not rise as quickly

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2010 nissan with 4.0 eng. surges and rpms jump around when eng. is warm.


Steve,

Any Codes?

Check for vacuum leaks with a can of carb cleaner engine running - when engine race up or bogs down there is a leak. Spray all around intake, vacuum hoses, brake booster, and throttle body.

Master Tech Lee

Dec 07, 2014 | 2010 Nissan Frontier

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Ran out of gas in my 95 toyota camry put 30 dollars of gas in it then it would not start. replaced fuel pump put seafoam in gas, new spsrk plugs, starts and idles but when I put it in gear and press the...


which engine options, surely you know it? to fix it you must.

ran it out of gas, car ran perfect or it was found with no gas

and im trying to bring bad a log parked car..... history , context....

was this car a daily driver, last month>?

seaform is junk never use that , never use additives unless pure raw

desperation, tell me ,why do mfg ,void your warranty with this in anycar, there is only 1 answer to that....

and why risk 4 poison 02 sensors on a V6, (worst case)

huh?

ok, engine stalls. (can a fast right foot save the stall)?

if compression is good.

and 12vdc is at the EFI , system. no below 10v ever.

then check for spark loss. on all cylinders? good?

did you scramble the spark wire? they have a firing order?

did you?

does car start and run good and sound good on test fuel (spray)

??????

these answer bring us to fueling last.

injections.

all EFI systems cut fueling if



  1. spark seems weak.


  2. CMP errors


  3. CKP errros


  4. or IMMO is unhappy. (lamp says, im unhappy, injection is CUT0


let us know, what you find.



and a fuel gauge tells you if fuel pressure meets spec.

and the injectors dont leak and a balance test show they are equal

all with one simple $20 gauge.

a $2 NOID lamp test the injector pulse.

Feb 17, 2014 | 1995 Toyota Camry

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1990 Nissan Stanz. We just purchased this car for our son as a first car (bought it at an aution) The car is getting oil pressure and fuel to the engine. Problem it turns over but will not start. We tested...


you should chek ur actual injector pulse to see if fuel is gettn injected into ur engine. one way to see if its a fuel problem is to try shootrin carb cleaner into ur throttle body or a vacuum hose directly on the intake manifold while cranking engine an even see if it try to start. if it pops over an trys to start then ur spark is obviously good enough,an ur not gettn injector pulse. all ur injectors should have 12volts and only the ground gets pulsed on and off to open an close injectors,while someone is crankin engine.thats wen voltaged needs checked. if it trys to start then i woul def check ur cam sensor which controls injectr pulse ,most likely located in ur distributor.also good idea to chek all ur fuses,and even try to see if there are any codes in ur computer system,which their probably are. very important wen diagnosing a no start condition. good luck coutybgg

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1 Answer

Little to no injector pulse only when starter is engaged


95-97 Maximas had a problem where condensation from the A/C would accumulate in the a/c evaporator case from the drain becoming restricted or blocked, When this would occur, condensation would drip onto the ECM and a problem would develop with misfire and/or starting. I would look at the ECM where the harness connects to it for corrosion problems. If you find it, there is a chemical spray which can be used to clean the terminals and/or you can clean them, although it is time consuming and difficult to due because of how small the terminals are. After things are cleaned up, lightly coat the connections with a dielectric grease. This will prevent electrolysis.I believe you can buy these at Radio shack and possibly at an automotive parts supplier.
Also a drop in voltage during the cranking phase will cause a weak spark. Your ignition is what pulses the injectors. It takes a minimum of 9.6 volts, but ideally you want at least 10.5 or more during the cranking phase if you want to get a spark worth anything. Check the voltage on the primary side of the coil while cranking the engine.
I'll watch to see if things work out for you, let me know. ....mybunkey

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