Question about 1996 Lexus ES 300

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Leaking from the both intakes and over heating

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Is it a yellow fluid thats coming out?

Posted on Jul 15, 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

1 Answer

P0131 sabb 93 2001 po121 error codes


P0131 - O2 Sensor Circuit Low Voltage Bank 1 Sensor 1 (sensor is before the catalytic converter)

Possible causes- Front Heated Oxygen Sensor Bank 1 harness is open or shorted
- Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection
- Faulty Front Heated Oxygen Sensor Bank 1
- Inappropriate fuel pressure
- Faulty fuel injectors
- Intake air leaks may be faulty
- Exhaust gas leaks
P0132 - O2 Sensor Circuit High Voltage Bank 1 Sensor 1
Possible causes- Front Heated Oxygen Sensor Bank 1 harness is open or shorted
- Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection
- Faulty Front Heated Oxygen Sensor Bank 1
- Inappropriate fuel pressure
- Faulty fuel injectors
- Intake air leaks may be faulty
- Exhaust gas leaks

I am not really sure what is going on here with the same O2 sensor giving these lean and rich codes, if nothing else is apparent and the engine runs well you may have a defective O2 sensor.

Sep 13, 2012 | Saab 9 3 Cars & Trucks

1 Answer

Scanned my computer , came up with a PO 171 and 174 what does this mean?


P0171 AND P0174
P0171 - System Too Engine Cylinder Lean Bank 1xicon.jpghttp://engine-codes.com/p0171.htmlForum CodePossible causes- Intake air leaks
- Faulty front heated oxygen sensor
- Ignition misfiring
- Faulty fuel injectors
- Exhaust gas leaks
- Incorrect fuel pressure
- Lack of fuel
- Faulty Mass Air Flow (MAF) sensor
- Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech notes Dirty air filter of faulty air flow sensor are common causes for the P0171 code of the problem.


P0174 FORD - Fuel Injection System Too Lean Bank 2xicon.jpghttp://engine-codes.com/p0174_ford.htmlForum CodePossible causes- Intake air leaks
- Faulty front heated oxygen sensor
- Ignition misfiring
- Faulty fuel injectors
- Exhaust gas leaks
- Incorrect fuel pressure
- Lack of fuel
- Faulty Mass Air Flow (MAF) sensor
- Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech notes The codes is usually set when there is an intake leak after the air flow meter, before replacing any parts check for loose or broken hoses and intake gasket leak. On Ford some models dirty air filter, and dirty or faulty air flow sensor are the cause of the problem.

Jul 27, 2012 | Cars & Trucks

1 Answer

Lower intake gasket


For no heat issue,click the link below :-----http://technoanswers.blogspot.in/2012/02/no-heat-on-oldsmobile-silhouette.html
--------Its caused by leak intake gasket.For intake gasket replacing,click the link below :-----
http://technoanswers.blogspot.in/2012/02/how-to-replace-intake-manifold-gasket.html---------This will help.Thanks.

Feb 07, 2012 | 2002 Oldsmobile Silhouette

1 Answer

My 2004 grand prix is over heating and my heat isnt working. It is coolent leaking under the car towards the back of the motor.


Hi, most common problems on the 3.8 liters is intake gaskets leaking because of the dex 3 coolant eat out the gaskets. If you will un screw the oil filler neck and move the cover were you can look around the intake there you should fine your leak. If i can help you further please re post.

Jan 08, 2011 | 2004 Pontiac Grand Prix

1 Answer

Leaking anti freeze from under the air intake hose under tps sensor right where the plenum and upper intake meet it appears


The plastic intake upper plenum is known to warp,causing this leak.I believe too much heat from the nearby EGR port.the solution is more than just a new gasket, an upper intake is usually required.there are aftermarket suppliers,which could save you some money on parts.be sure to check around...good luck

Apr 01, 2010 | 1994 Buick Park Avenue

1 Answer

Over heating.. leaks water out back of engine..


I'd be willing to bet your intake gaskets are leaking. Does the truck have a 4.3L vortec motor? If you get underneath it and the transmission bellhousing is wet with coolant it's probably leaking out the back of the intake. Intake gaskets were a very common failure on those motors and GM has actually redesigned them using different materials. I just did one thursday, about $50 in parts and about 5 hours in labor.

Nov 23, 2009 | 1996 GMC Jimmy

1 Answer

1999 windstart upper intake gasket problems maybe?


sounds like an intake leak or a vacuum leak , would start it and spray like carb cleaner or starting fluid on the top of the motor while it is cool not hot and see if you get a rise or fall in rpm,s if it does get a response chase down the vacuum leak, if not it is probally the intake gasket

Jun 02, 2009 | 1999 Ford Windstar

1 Answer

Idle s 2300rpm when cold, then revs between 1500-2000, while..


maybe vacuum leak or intake manifold leak. sounds like components are doing there job adjusting to air intake, matching the amount of air brought in with the amount of fuel that it would demand to produce correct emmission quality. check this out. you can use carb cleaner to spray around your throttlebody and intake manifold and if the engine idle fluxuates you have a leak.

Apr 15, 2009 | 1991 Mazda 626

1 Answer

Coolant problem (leaking somewhere)


If this is a 4.8, 5.3 or 6.0 liter they are notorious for water pumps.The 4.3, 5.0, or 5.7 liter are known for intake gaskets. Both leak slowly at first and evaprate from engine heat quickly.

Jan 20, 2009 | 1999 GMC Suburban

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