Question about Nissan Stanza

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Air fuel mixture control sensors

Make and Model:1987 Nissan Stanza GXE2.0 Litre 4 cylinder (has 2 spark plugs for each cylinder)

Problem: hard start...must engage foot feed slightly at idle to keep running. Bogs down when accelerating. Picks up speed while backing off accelerator. Seems to run more smooth once highway speed is finally attained.
Was told it needs both oxygen sensors. I have no idea where these are located. Where can I find them? I think one is in the air intake ram past/under the air filter???

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  • Nissan Master
  • 4,523 Answers

Hav u had tuneup n chec fuel injec-thats basic--now u probly shud perform a code scan 1st just to confirm the 02s-ther both found at each muffler manifold-they look like spark plugs n may be difficult to remove

Posted on Sep 07, 2009

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Posted on Jan 02, 2017

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03 Nissan Altima showing codes P0304,P0102,P0154,P0113 what are they and how do i repair the problems.


Hi Chris.

p0304 = Number 4 Cylinder Misfire Detected

Faulty spark plug 4
Clogged or faulty fuel injector 4
Faulty ignition coil 4
Fuel injector 4 harness is open or shorted
Fuel injector 4 circuit poor electrical connection
Ignition coil 4 harness is open or shorted
Ignition coil 4 circuit poor electrical connection
Insufficient cylinder 4 compression
Incorrect fuel pressure
Intake air leak

The P0304 code means that the cylinder 4 is misfiring or is randomly misfiring. Start by checking for intake leaks an if no leaks are found the next step is to replace the spark plugs on cylinder 4.


p0102 = Mass or Volume Air Flow Circuit Low Input

Faulty mass air flow sensor
Intake air leaks
Dirty mass air flow sensor
Dirty mass air filter
Mass air flow sensor harness is open or shorted
Mass air flow sensor circuit poor electrical connection

Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air flow sensor with low compress air or mass air flow sensor cleaner.
Reset code and drive vehicle.
If the code comes back, it may be necessary to replaced the mass air flow sensor.


p0154 = O2 Sensor Circuit No Activity Detected Sensor 1 Bank 2

Faulty Front Heated Oxygen Sensor Bank 2
Front Heated Oxygen Sensor Bank 2 harness is open or shorted
Front Heated Oxygen Sensor Bank 2 circuit poor electrical connection
Inappropriate fuel pressure
Faulty fuel injectors
Intake air leaks may be faulty
Exhaust gas leaks

Replacing the Front Heated Oxygen Sensor Bank 2 usually takes care of the problem.


p0113 = Intake Air Temperature Sensor Circuit High

Faulty Intake Air Temperature (IAT) sensor
Dirty air filter
Intake Air Temperature (IAT) sensor harness is open or shorted
Intake Air Temperature (IAT) sensor circuit poor electrical connection

The Intake Air Temperature (IAT) sensor is built into mass air flow sensor or in some vehicles mounted to the air filter duct housing. The sensor detects intake air temperature and transmits a signal to the Engine Control Module (ECM).The temperature sensing unit uses a thermistor which is sensitive to the change in temperature. Electrical resistance of the thermistor decreases in response to the temperature rise. The Intake Air Temperature signal is used as an input for various systems in the vehicle.



Hope this helps
FYT

http://www.autocodes.com/make/nissan

Mar 26, 2017 | Nissan Cars & Trucks

2 Answers

I need the cylindar numbers for my 1985 nissan stanza hatchback..its a 4 cylindar with 8 spark plugs....i most importantly need the back cylindar numbers


1-2-3-4
or do you want the timing for the plugs.
1E-4i-3E-2i4E-1i-2E-3i
E = exhause
i = intake

intake
1-2-3-4
1-2-3-4
exhause
= dist.=

dist is located on ex. side.

Feb 22, 2011 | 1985 Nissan Stanza

2 Answers

Hi! my nissan sentra 1989 8valve engine, lately is very fuel efficient almost 12km /liter. but for now i think 4km /liter. i dont know why? pls. help me what im doing. thanks.


Hello! That is a significant change...I'll need a little clarification...Is the Check Engine Light (CEL) flashing?...Tell me how the engine is running...Do you see any smoke (blue or black) out of the exhaust?... Is the engine hard starting, idle poorly, hesitate or stall?...

If the CEL is flashing I'll send the procedure to identify the trouble code/codes that the Electronic Control Unit (ECU) has stored...

Guru.............Saailer

Feb 03, 2011 | 1989 Nissan Sentra 4 Door

1 Answer

I have a 1987 gmc jimmy with a 5.7 litre fuel injection and it seems to be lack air or has to much i dnt know . and i want to know how to adjust my fuel air mixture


Unfortunately, most fuel injection engines don't have an adjustable fuel/air mixture by the technician.

The fuel/air mixture is controlled by a computer.

Jul 03, 2010 | 1987 GMC Jimmy

1 Answer

Where are the fuel filter and 02 sensors located on a 1987 nissan stanza?


I don't know if are cars are built alike. I have a 1990 stanza and the fuel filter is located under the hood on the firewall to the left of the brake booster. Oxygen sensors would be in the exhaust manifold.

Jul 16, 2009 | 1991 Nissan Stanza

1 Answer

My 1990 Stanza Is Running On 3 Cyl. I Got New Plugs Distrb Cap Rotor It Just Didn't Solve The Problem Runnig Ruff. I Know Its Getting Gas Because The Plug Is Wet I Did The Plug And Wire Test And I Am...


start the car. let it idle. get under hood. you should have your four spark plugs starting from left to right in front of you. starting on the left is cylinder #1 and #2, next to that one, and so on....

while car is running, carefully pull the spark plug wire off the SPARKPLUG. hold the spark plug wire up to the plug and see if you can see sparks. do that procedure on all plugs. do one at a time.

which ever one seems not to be sparking right, it's probably the fuel injector on that cylinder.
hope this helps.

Mar 21, 2009 | 1990 Nissan Stanza

2 Answers

1987 Nissan Stanza


I would check the timing chain/belt. chances are it could be either broken or jumped a tooth.

Jan 23, 2009 | 1987 Nissan Stanza

1 Answer

Check engine light on. 4 cylinder. Light flashes on acceleration. Sometimes idles rough. Computer scan reads random misfire and #2 & #3 misfiring. Added fuel injector cleaner but no help yet. Cleared...


There are three kinds of gasoline engine misfire scenarios, first there is the "under load" misfire and there is the "at engine idle" misfire, and finally there is misfire continuously. All engine misfires exist because one of three things has occurred. First, a cylinder has lost compression, a cylinder needs a certain amount of compression to operate correctly. Second, the ignition system has failed or is failing intermittently, spark is needed at the time of compression to ignite the fuel air mixture. Third, the fuel air mixture is incorrect, proper mixture is needed for the ignition system to ignite fuel properly. If any of these conditions occur in the engine, the engine will misfire.
1. Low or no compression can be caused by

a. burned or leaking intake or exhaust valves
b. worn or broken piston or piston rings
c. worn out camshaft
d. wrong weight motor oil was installed holding the cam followers from adjusting
e. broken valve spring
f. failed head gasket.
2. Ignition system has failed or is failing
a. spark plug has fouled or is worn out
b. ignition coil
has failed
c. spark plug wires have shorted
e. engine control module coil driver has failed
3. Fuel/Air Mixture is incorrect
a. vacuum leak at the intake manifold
b. fuel injector has failed
c. EGR valve is stuck open
d. mass air flow sensor has failed
e. oxygen sensor has failed
f. air intake boot is cracked

common problems:
1. fuel injector has failed or is failing
2. spark plug wire has shorted
3. spark plug is worn out or is cracked
4. ignition coil has failed is failing

Testing a coil on the car is pretty easy. No special tools are required. Just remember to be careful, the amount of electricity generated by your ignition system can be dangerous. If your coil is already off the car, or if you would like a more specific data-driven test, you can bench test your coil. To set up the test, remove one spark plug wire from its plug, then remove the spark plug using a spark plug socket. Next put the spark plug back into the spark plug wire. Be careful not to let anything drop into the empty spark plug hole -- very bad.

Dec 07, 2008 | 1999 Toyota Camry

2 Answers

1987 Nissan Stanza


i had this problem too you have to reset something but i never found a good source as to what exactly

Jul 11, 2008 | 1987 Nissan Stanza

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